Nature — Spain — NextOnTrip

estanys Gelats

la Vall de Boí

Estanys Gelats is a cluster of high-mountain glacial lakes in the municipality of la Vall de Boí, in the Catalan Pyrenees, within the Aigüestortes i Estany de Sant Maurici National Park. The Catalan name translates roughly to "frozen ponds," a fitting description for these cold, clear pools of water sitting below the rugged granite ridges of the Besiberri massif, one of the park's higher and more remote corners. How do you get there? La Vall de Boí is one of the two main gateways into the national park — alongside the Sant Nicolau valley entrance on the Aigüestortes side, the other approach runs from the Cavallers reservoir area, closer to the Besiberri massif where Estanys Gelats lie. Local roads lead into the valley to the village of Boí, from where a network of hiking trails fans out into the park. Because the lakes sit at considerable altitude, reaching them means a long, physically demanding mountain hike rather than a casual afternoon walk — this is a full high-mountain outing, best planned with a local guide or by checking current trail markings at the park's information office before setting out. What will you see? Estanys Gelats offers a classic high-Pyrenean landscape: several tarns of varying size, fed by melting snow, set among bare granite walls. Aigüestortes National Park is known for more than two hundred lakes and countless streams, and Estanys Gelats is one of many such bodies of water scattered across its eastern and western sectors — in this case near the Besiberri massif, home to some of the park's highest peaks. The scenery here is stark and alpine: rock, low mountain scrub and high pastures rather than dense forest, with views opening onto nearby ridgelines and glacially carved valleys. Given the altitude and cool microclimate, the water stays cold through most of the season, which is exactly what the lakes' name refers to. When should you visit? The best time to explore this part of the park is summer, from June to September, when the high trails are clear of snow and weather conditions are most stable. Patches of snow can linger at higher elevations into late spring and return early in autumn, while in winter this zone of the park becomes largely inaccessible without proper mountaineering equipment and experience. Whatever the season, it's worth checking current conditions at the Aigüestortes National Park information office before setting out, since weather in the high Pyrenees can change quickly. Frequently Asked Questions Can you drive to Estanys Gelats? No. The lakes lie within the high-mountain zone of the national park, reachable only on foot via marked trails starting from the Boí area and the Vall de Boí valley. How difficult is the hike? It's a genuine high-mountain outing that calls for good fitness and mountain experience — several hours of walking over rugged rocky terrain at significant altitude. Are there other lakes worth seeing nearby? Yes. Aigüestortes i Estany de Sant Maurici National Park contains more than two hundred glacial lakes, making this one of the richest areas for this kind of scenery anywhere in the Pyrenees. Do you need a permit to enter the park? Access to Aigüestortes National Park follows the standard rules for Spain's national parks — it's worth checking the current regulations on foot traffic and any access limits directly with the park information office before your trip.

Estany Negre (Sant Nicolau)

Espot

Estany Negre is one of the most striking glacial lakes in the Aigüestortes i Estany de Sant Maurici National Park, sitting at 2,296 metres above sea level near the village of Espot in the Catalan Pyrenees. How do you get to Estany Negre? The trail starts in Espot and follows an old path that coincides with the marked GR11-20 route. The one-way hike takes roughly three and a half hours, climbing through the Peguera valley — first through forest, then across increasingly steep, high-mountain terrain. The steepest sections come right at the start and near the end, so plan for a full day out with enough water and daylight for the return. Along the way you pass the Josep M. Blanc refuge, a popular rest stop and overnight base for hikers tackling longer routes through the park's eastern sector. What will you see at the lake? Estany Negre lies in a rocky basin known as coma dels Pescadors, ringed by granite peaks typical of this stretch of the Pyrenees. The lake covers 4.27 hectares, measures 319 metres long and 183 metres wide, and reaches a depth of 36 metres — making it one of the deepest bodies of water in the entire park. The dark, almost black water — which gives the lake its name (negre means "black" in Catalan) — stands out against the pale granite bedrock and the jagged ridgelines that mirror on its surface on still days. It's a spot favored by seasoned mountain hikers who value silence and raw high-altitude scenery, away from the busier trails around Estany de Sant Maurici. When is the best time to visit? The ideal window for hiking to Estany Negre runs from June to October, when the trail is clear of snow and the steep sections remain safe to cross. Early in summer, patches of snow can still linger in shaded parts of the valley, so it's worth checking current conditions with the park office before setting out. In autumn, the Peguera valley turns golden and foot traffic drops noticeably, making for a quieter walk. Frequently Asked Questions How long does it take to reach Estany Negre from Espot? The one-way hike takes about three and a half hours, mostly through the Peguera valley, with steep stretches at the start and end of the route. Is there anywhere to stay overnight near the lake? The Josep M. Blanc refuge sits along the way and serves as a base for longer treks through this part of the park. Why is the lake called "Black"? The name comes from the dark color of the water, a result of the lake's depth and the dark granite rock surrounding it. Is the trail difficult? It's rated as moderate overall, but includes steep sections, especially on the climb and descent, so good fitness and proper footwear are recommended.

estany Roi

la Vall de Boí

Estany Roi is a small glacial lake tucked into the Vall de Boí, a valley in the Catalan Pyrenees in Lleida province, Spain. Where is estany Roi? The lake sits within the Vall de Boí, one of the main valleys of the Aigüestortes i Estany de Sant Maurici National Park — Catalonia's only national park. "Estany" is simply Catalan for "lake," and the park is dotted with more than two hundred of them, carved out by Quaternary glaciers that shaped the granite and schist bedrock of this stretch of the Pyrenees over thousands of years. Estany Roi's coordinates (roughly 42.573°N, 0.802°E) place it in the upper, high-mountain section of the valley. How do you get there? The village of Boí is the usual gateway into the valley, with trails leading further into the park from there. Because the area is protected, vehicle access deep into the valley is restricted during the busy season — shuttle jeeps or no-entry zones for private cars are common across the Aigüestortes valleys. Reaching a high-altitude lake like estany Roi generally means hiking in on foot; exact walking times depend on the route and starting point, so it's worth checking current trail conditions at the park information office in Boí or Barruera before setting out. What will you see at estany Roi? Lakes of this kind in Aigüestortes are known for very clear, cold water set against rocky, often granite surroundings, with alpine meadows and mountain pine scrub filling in around them in summer. The valley sits in genuinely high terrain, with peaks nearby rising above 2,500–3,000 metres. Vall de Boí is also known for something entirely different from its landscapes: a cluster of Romanesque churches, spread across villages such as Boí, Taüll, and Durro, that together form a UNESCO World Heritage Site. It's an unusual pairing — high-mountain national park scenery and one of Europe's best-preserved groups of Romanesque architecture, in the same valley. When should you visit? High-altitude Pyrenean lakes, including those around Vall de Boí, are easiest to reach from late spring through early autumn, once trails clear of snow. In winter the valley turns into ski and mountaineering terrain, and snow limits access to many hiking routes. Summer months generally offer the most reliable conditions for reaching the high lakes, though Pyrenean weather can still turn quickly even at that time of year. Frequently Asked Questions What does "estany" mean? It's Catalan for "lake" — a word still used today across hundreds of mountain lakes throughout the Catalan Pyrenees. Is estany Roi inside a national park? Yes. It lies within the Vall de Boí, part of the Aigüestortes i Estany de Sant Maurici National Park, Catalonia's only national park. Is the lake easy to reach? Not by car. Because of the protected, high-mountain terrain, reaching it usually requires a hike, and vehicle access within the valley is limited. What else is worth seeing nearby? The Romanesque churches in the valley's villages — Boí, Taüll, and Durro — form a UNESCO World Heritage Site and pair well with a visit to the lake.

Estany del Port de Ratera

Espot

Estany del Port de Ratera is a glacial lake near Espot, tucked high in the Catalan Pyrenees within the Aigüestortes i Estany de Sant Maurici National Park. It sits within the Ratera cirque, a chain of tarns and small lakes strung along the slopes that climb toward the Port de Ratera pass, the natural gateway between the Espot valley and Val d'Aran on the far side of the massif. How do you get there? The starting point is Espot, but private cars aren't allowed to drive into the heart of the park — vehicle access is restricted, so most visitors take a local 4x4 shuttle service as far as Estany de Sant Maurici. From there, the rest of the journey is on foot, following a trail that climbs steadily through the valley, past the lower lakes of the Ratera cirque, and on toward the Port de Ratera pass. The stretch between Sant Maurici and the lower Ratera lakes is relatively gentle and popular even with families, but the higher sections closer to the pass turn into proper mountain terrain, demanding a reasonable level of fitness and sturdy hiking boots. Setting off early is a good idea — Pyrenean weather can shift within hours, and descending the upper trail in poor visibility is far harder than climbing it. What will you see? The Ratera cirque delivers classic high-Pyrenean scenery: granite slabs polished by ancient glaciers, patches of alpine grass and dwarf pine lower down, giving way to bare, rocky slopes that ring the water higher up. Along the way, before reaching the lake itself, hikers pass the Ratera waterfall, one of the more photogenic spots in this stretch of the park. Estany del Port de Ratera itself, sitting close to the pass, feels far more remote and untouched than the easily reached lakes lower in the valley — a destination for those willing to put in the extra climb for a quieter, more open view. Glacial lakes like this one tend to stay strikingly clear and cold year-round, with the surrounding peaks mirrored on the surface in a way that has become one of the signature images of the region. When is the best time to visit? Summer, from June through September, is the most reliable window for reaching the higher parts of the Ratera cirque, once snow has cleared from the trails and weather patterns settle. In spring and autumn, the upper stretches can still hold snow or start collecting it again, making the approach to the lake near the pass considerably harder. The national park draws large numbers of visitors during peak summer weeks, so starting early pays off both for beating the queues at the shuttle pick-up point in Espot and for a more comfortable hike overall. Frequently Asked Questions Is the hike to the lake difficult? The lower section, from Espot and Estany de Sant Maurici, is gentle and manageable for most visitors. The upper stretch toward the Port de Ratera pass is genuine mountain hiking, requiring good fitness and confidence on rocky, uneven ground. Can you drive directly to the lake? No. Private vehicles are restricted deep inside the park, so visitors take a local 4x4 shuttle from Espot as far as Estany de Sant Maurici and continue the rest of the way on foot. What else is worth seeing along the route? The trail passes the Ratera waterfall, one of the more scenic spots in this part of the park, as well as the lower lakes of the Ratera cirque, which make for a rewarding shorter outing on their own. Is the route suitable for children? The lower stretch around Estany de Sant Maurici and the lower Ratera lakes works well for families. Reaching the lake right by the pass, however, is a demanding mountain hike better suited to experienced walkers.

Laguna del Arquillo

Masegoso

Laguna del Arquillo is a small but strikingly scenic karst lake near the village of Masegoso, in the province of Albacete, tucked into the Sierra de Alcaraz in Castilla-La Mancha. Protected as a natural monument (Monumento Natural) of the region, it draws travelers looking for a quiet nature stop rather than a crowded attraction. How was the lagoon formed? The lake has a completely natural origin. Over thousands of years, the Arquillo river was gradually dammed by a limestone barrier built up through the slow deposit of calcium carbonate, a process typical of the karst landscapes in this part of Albacete. The result is a deep, still body of water whose color shifts constantly, from deep blue to green-turquoise, depending on the season, the time of day, and how the light hits the surface. What will you see there? The lake sits inside a bowl of hills covered in sabina junipers, holm oaks, and typical Mediterranean scrub, giving the whole area a rugged, unspoiled feel. Aquatic plants, including water lilies, spread across parts of the surface. The lagoon is also a refuge for wildlife tied to the region's wetter habitats, including tree frogs and pond turtles that rely on the water and surrounding vegetation. The absence of buildings, the silence, and the surrounding mountains make this one of the more overlooked natural spots in the province of Albacete. How do you get to Laguna del Arquillo? Start from the village of Masegoso and take the road toward El Jardín, following the signs marked for the Monumento Natural Laguna del Arquillo. Entry to the natural monument is free, and neither the drive nor the approach to the lake itself requires special preparation — it's a destination suited to an easy nature walk rather than a demanding hike. When is the best time to visit? Thanks to the region's mild climate, the lagoon can be visited year-round. Spring and autumn are the most recommended seasons, since the light falls at its most flattering angle, the landscape's colors are at their richest, and wildlife activity — amphibians, reptiles, and waterbirds — is at its highest. In summer, the spot is often treated as a natural cool-down point among the dry, rocky hills of the Sierra de Alcaraz, though it's worth keeping in mind this is a viewpoint and nature-watching site rather than a conventional swimming spot. Frequently Asked Questions Is there an entry fee for Laguna del Arquillo? No, access to the natural monument is free and available year-round. How do you reach the lagoon from Masegoso? Leave the village on the road toward El Jardín and follow the signs for the Monumento Natural Laguna del Arquillo. Can you swim in the lagoon? The site is primarily a natural and scenic destination — a viewpoint and wildlife-watching area rather than a typical swimming spot. What's the best season to visit? Spring and autumn, for the light, landscape colors, and higher wildlife activity, though the lake is accessible all year thanks to the region's mild climate.

Estanys de la Coma de Sotllo

Alins

Estanys de la Coma de Sotllo is a cluster of glacial lakes sitting at roughly 2,500 metres above sea level in the municipality of Alins, in the Pallars Sobirà region of the Catalan Pyrenees. Tucked into a high mountain basin southwest of the Pic de Sotllo, the lakes sit among some of the tallest peaks in the range. Where exactly are these lakes? The lakes belong to the Barranc de Sotllo watershed, a stream that feeds into the Noguera de Vallferrera river. Water draining from the Estanys de la Coma de Sotllo flows down to the larger Estany de Sotllo, situated at about 2,343 metres, forming a chain of high-altitude lakes typical of this stretch of the Pyrenees. The surrounding skyline is dominated by Pica d'Estats — the highest summit in Catalonia — along with Pic de Sotllo and Punta Gabarró, giving the area a raw, high-alpine character. How do you get there? The Vall Ferrera valley, part of the Alins municipality, is the natural starting point for exploring this area. High mountain trails leading toward Pica d'Estats and its surrounding lakes begin here. The route is considered demanding and best suited to experienced hikers — the terrain is rocky and set at serious altitude, and Pyrenean weather can shift quickly even in summer. Checking current conditions and carrying a proper topographic map is worthwhile, since waymarking thins out considerably in the upper sections. What will you see once you're there? Expect a landscape of rocky ridgelines, alpine meadows, and a series of glinting lakes with cold, clear water — a classic scene from the highest reaches of the Catalan Pyrenees. The surrounding valleys add to the appeal: Broate, the Baborte tarns, and the Sellente valley together form one of the more extensive high-mountain hiking areas in Pallars Sobirà. It's a destination for those after solitude, open space, and genuinely wild alpine terrain, away from crowded trails. Given the altitude and terrain, the lakes are only fully accessible during the summer months, once snow clears from the higher stretches of the route. Outside that window, conditions can turn considerably tougher, so trips here call for careful planning and a generous time buffer. When is the best time to visit? Summer — roughly July through September — is the ideal window, when trails are passable and the lakes are free of snow cover. Earlier spring or late autumn visits carry a real risk of lingering snow and harsher conditions above 2,000 metres. Setting off early in the day is also a good idea, since afternoon storms are a recurring feature of the high Pyrenees. Frequently Asked Questions Is Estanys de la Coma de Sotllo suitable for beginner hikers? No — this is high-mountain terrain that demands solid fitness, prior mountain experience, and the right technical gear. How high up are these lakes? They sit at around 2,500 metres above sea level, right beside the Pic de Sotllo summit. Are there other attractions nearby worth visiting? Yes — the same area includes the Baborte tarns, the Broate valley, and the Sellente valley, forming a large connected high-mountain zone. What's the closest valley to start exploring from? The Vall Ferrera valley, part of the Alins municipality, is the natural gateway, with trails heading up toward the highest points of the Catalan Pyrenees.

estanyet de Baiau

Alins

Estanyet de Baiau is a small high-mountain lake in the municipality of Alins, in the Pallars Sobirà region of the Catalan Pyrenees, lying barely a kilometre from the border with Andorra. It's a destination for travelers who want the quiet of a genuine alpine landscape, away from the busier Pyrenean trails. Where exactly is Estanyet de Baiau? The lake sits high in a mountain valley within the municipality of Alins, part of Pallars Sobirà — one of Catalonia's most mountainous and sparsely populated districts. To the east, the skyline is dominated by Pic de Baiau and Coma Pedrosa, the highest peak in Andorra, while Pic de Sanfonts rises to the south. This setting gives the area a distinctly alpine character: steep slopes, rocky ridgelines, and the open, rugged scenery typical of the high Pyrenees. The lake's waters drain through the Riu de Baiau, a tributary of the Barranc d'Arcalís, linking this corner of the mountains to the valley's wider drainage system. Because the border with Andorra runs so close by, a hike here often ends up crossing between two countries within a single outing, threading the Catalan and Andorran sides of the Pyrenees. What will you see there? The lake itself is the main draw — a classic high-altitude glacial tarn set in a rocky basin, ringed by bare, stony slopes. The contrast is striking: hard granite ridgelines framing calm water that often takes on a deep blue or emerald tone typical of Pyrenean mountain lakes. From the area around the lake, views open up toward Coma Pedrosa, Andorra's highest summit, making this a genuinely unusual vantage point sitting right on the border between two countries. The surroundings remain largely wild, with little in the way of built tourist infrastructure — for many visitors, that's exactly the appeal: a landscape that still feels untouched by mass tourism. How do you get to Estanyet de Baiau? Access runs through the mountainous terrain of the Alins municipality, deep into the Pallars Sobirà valley. Given the high-altitude setting and proximity to the Andorran border, reaching the lake demands decent fitness and proper preparation — the route crosses ground with significant elevation gain, characteristic of the high Pyrenees. It's worth planning the trip in advance and checking current weather and trail conditions, since conditions at altitude can shift quickly. When is the best time to visit? Given its high-mountain location, summer is the most reliable season to visit, once snow at the higher elevations has largely melted and the approach becomes more manageable. In early spring, late autumn, and especially winter, the area around the lake can remain snow-covered or difficult to reach, requiring mountain experience and the right equipment. Frequently Asked Questions Where exactly is Estanyet de Baiau located? The lake lies in the municipality of Alins, in the Pallars Sobirà district of the Catalan Pyrenees, about a kilometre from the border with Andorra. Which peaks surround the lake? Pic de Baiau and Coma Pedrosa — Andorra's highest mountain — rise to the east, while Pic de Sanfonts stands to the south. Are there other bodies of water nearby? Yes. The area belongs to a drainage system fed by the Riu de Baiau, a tributary of the Barranc d'Arcalís, so other streams and small lakes typical of a high Pyrenean valley can be found nearby. Is this a suitable destination for beginner hikers? Given the high-altitude setting and rugged terrain, reaching the lake calls for good fitness and prior preparation — it's better suited to hikers with some mountain experience than to first-timers.

estany del Port Vell

Alins

Estany del Port Vell is a small mountain lake in the municipality of Alins, in the Vall Ferrera valley, in the Pallars Sobirà region of the Catalan Pyrenees. It sits within the Alt Pirineu Natural Park, surrounded by the high-mountain scenery typical of this part of the range. Where is Estany del Port Vell located? The lake lies in Vall Ferrera, a narrow, deeply carved glacial valley stretching roughly 22 km with an elevation difference of about 1,800 m, running from Port de Baiau down to the village of Alins. The valley itself is made up of two smaller glacial basins, Àneu and Alins, and Estany del Port Vell sits in the high-mountain section, tucked away from the main hiking routes — many walkers pass close by without ever knowing it's there. How do you get there? Reaching the lake means a high-mountain hike starting from the Vall Ferrera valley. One route runs via Pont de la Molinassa and Port de Boet, passing close to the Pica Roja peak (2,903 m) before reaching the lake itself; more experienced hikers can continue on toward the Romaset peaks (2,846 m). This is a demanding approach typical of the high-altitude sections of Pallars Sobirà, calling for good fitness, proper footwear, and solid route-finding skills. Alins or another village in Vall Ferrera is the usual starting point. What will you see once you're there? Estany del Port Vell is a classic glacial mountain lake — small, cradled in a rocky hollow, ringed by steep slopes, with no development around it. This stretch of Vall Ferrera is rich in waterfalls, mountain pastures, wetlands, and old-growth forest, making it one of the wilder corners of the Alt Pirineu area. Quiet and seclusion are the main draw here — unlike the region's better-known lakes, this one rarely sees crowds. When is the best time to visit? The high-altitude lakes of Pallars Sobirà are most accessible in summer and early autumn, once the trails have cleared of snow and Pyrenean weather turns more stable. In spring and late autumn, venturing into the upper valley calls for extra caution, since snow can still linger on the passes and approach routes. Frequently Asked Questions Is Estany del Port Vell easy to reach? No — the lake sits in a remote, high-altitude section of Vall Ferrera and requires a longer, demanding hike, without the waymarking typical of popular tourist trails. Which village is the best starting point? Alins or another village in the Vall Ferrera valley is the natural starting point, with trails leading up into the high-mountain sections of the range. Are there other lakes worth visiting nearby? Yes — Pallars Sobirà is known for its many glacial lakes scattered through its high-mountain valleys; the area around Vall Ferrera and neighboring ranges holds several, though each requires its own separate approach. Do you need a guide? It's not mandatory, but given how remote the route is and the lack of well-marked trails, carrying a map, GPS, and having solid high-mountain hiking experience is strongly recommended.

Llac de Can Codorniu

Sant Sadurní d'Anoia

Llac de Can Codorniu is a small reservoir north of Sant Sadurní d'Anoia, in the heart of Catalonia's Alt Penedès region, an area best known for producing cava. Where does this lake come from? The lake isn't natural in origin, even though it looks the part today. It was created in the early 20th century, around 1906, as a retention dam built by damming the Can Ferrer del Mas stream, using clay materials typical of the water-management structures of that era in this part of Catalonia. Over the following century, the surrounding land gradually renaturalized: reeds and aquatic vegetation took hold along the banks, and the reservoir itself became a habitat for local wildlife. Today it covers roughly 5.25 hectares, making it one of the larger bodies of water in the area. What will you see there? The main draw is the contrast between the still water and the vineyard landscape around it - the lake sits within the grounds of the Raventós i Blanc estate, one of the region's well-known cava producers. Reeds along the shoreline, rows of vines in the background, and the quiet surface of the water give the spot a distinctly rural, semi-wild character that's unusual to find so close to a town. Because of its ecological value, the lake and its immediate surroundings have been included in the Generalitat de Catalunya's inventory of Wetland Zones. In practice, this means the reservoir functions as an important habitat for waterfowl and other species tied to wetland environments, making it a worthwhile stop for anyone interested in birdwatching near Sant Sadurní d'Anoia. How do you get there? Llac de Can Codorniu lies north of the town centre, surrounded by the farmland and vineyards typical of Alt Penedès. Walking and cycling trails run through the area, used by both locals and visitors - the lake is a popular destination for family walks and bike rides that combine a loop around the water with nearby vineyards and cava cellars. Sant Sadurní d'Anoia itself is within easy reach of Barcelona, making the lake a convenient addition to a day built around cava tasting in the region. When should you visit? Given the setting - a calm reservoir framed by greenery - spring and autumn are the best times to visit, when the vegetation along the banks is at its lushest and conditions for walking or birdwatching are most comfortable. Summers here can get hot and less pleasant for longer walks, though the view over the water and surrounding vines remains appealing year-round. Frequently Asked Questions Is Llac de Can Codorniu a natural lake? Not originally - it's an artificial reservoir created in the early 1900s by damming the Can Ferrer del Mas stream. Over time the area has renaturalized and now looks and functions much like a natural lake. Can you swim in the lake? The available sources don't mention swimming as an activity here. The site is valued mainly for its landscape and ecological role as a protected wetland area, not as a swimming spot. What's near the lake? The reservoir sits on the grounds of the Raventós i Blanc estate, surrounded by the vineyards characteristic of the Alt Penedès cava-producing region. Is it accessible by bike? Yes, walking and cycling trails connect the lake area with the centre of Sant Sadurní d'Anoia and the surrounding vineyards.

Laguna de Hoya Elvira

Corral-Rubio

Laguna de Hoya Elvira is a small saline lagoon in the municipality of Corral-Rubio, in the eastern part of Albacete province, Castilla-La Mancha. It forms part of the Corral Rubio-La Higuera lagoon complex, an inland system of closed depressions known locally as "hoyas," sitting at an altitude of roughly 850-900 meters amid a gently rolling agricultural landscape dominated by dryland farming. Where exactly is it? The lagoon sits among the cropland typical of eastern Albacete, close to the village of Corral-Rubio. This area is one of several neighboring endorheic complexes - alongside Pétrola and Salobrejo - that together form a mosaic of eighteen depressions, ponds, terraces and lagoons, each with its own ecological character. The whole area carries formal nature-protection status: it lies within a Special Conservation Area (ZEC) and a Special Protection Area for Birds (ZEPA), reflecting the ecological importance of the wider lagoon complex. What will you see there? Lagoons in this complex change dramatically with the seasons. They are endorheic basins - fed only by rainfall and groundwater, with no outlet - and in dry months many shrink or dry out completely, leaving pale salt crusts on the exposed lakebed. When water levels are higher, the water can become strongly saline to hypersaline, favoring specialized plant communities. Across the complex, halophile species such as Lamprothamnium papulosum (a salt-tolerant stonewort) and Ruppia species dominate these waters, adapted to sharp swings in salinity and water depth. The surrounding landscape is classic agro-steppe: open, flat farmland interspersed with patches of natural steppe vegetation. Habitats of this kind across the wider Pétrola-Corral Rubio complex are an important refuge for both steppe and wetland birds - great bustards and little bustards, sandgrouse, plovers and stints are recorded in the area, while the more consistently flooded lagoons of the complex also attract black-winged stilts, shovelers, harriers and, at times, flamingos. The essential character of the place - open water ringed by dry steppe - gives it a stark, quiet quality that contrasts with the region's more developed tourist lagoons. How do you get there? Corral-Rubio lies in eastern Albacete, close to the borders with Murcia and Valencia, along routes connecting inland Castilla-La Mancha with the Mediterranean coast. Local roads and footpaths lead to the lagoons of the complex, well used by nature lovers and birdwatchers who visit the wider steppe region of southeastern Albacete. When should you visit? Early spring and autumn are the best times to visit, when water levels tend to be higher and bird activity - both migratory and breeding steppe species - peaks. In summer the lagoons can be dry or nearly dry, which is itself an interesting sight geologically but limits birdwatching opportunities. Winter brings a stark, quiet landscape with very few visitors. Frequently Asked Questions Is Laguna de Hoya Elvira a saltwater lagoon? Lagoons in this complex range from saline to hypersaline depending on the season and water level - they are typical endorheic basins with no outlet to the sea. Does the lagoon dry up in summer? Yes, like most lagoons of this type in the region, water levels can drop sharply or the lagoon can dry out completely during the dry months. What birds can be seen in the area? The wider Corral Rubio-La Higuera lagoon complex is an important refuge for steppe birds (great bustards, little bustards) and wetland birds (black-winged stilts, shovelers, and flamingos in some of the lagoons). Is the area protected? Yes, the site lies within a Special Conservation Area (ZEC) and a Special Protection Area for Birds (ZEPA) due to the unique ecological value of the lagoon complex.

Laguna del Salarejo

Corral-Rubio

Laguna del Salarejo is a salt lagoon in the municipality of Corral-Rubio, in the province of Albacete, Castilla-La Mancha, Spain. It sits in the eastern part of the province at an altitude of roughly 850-900 metres, among the gentle hills typical of this steppe landscape. Where exactly is the lagoon located? Laguna del Salarejo forms part of a wider wetland system known as the Complejo Lagunar de Pétrola-Corral Rubio. This is a cluster of small lagoons, locally called "hoyas," scattered across farmland between Corral-Rubio and neighbouring villages such as Pétrola, Bonete, and Montealegre del Castillo. The whole complex spans several municipal boundaries, creating a patchwork of cultivated fields interspersed with seasonal and permanent bodies of saline water. What will you see there? The defining feature of Laguna del Salarejo, like the other lagoons in the complex, is its salinity - these are hypersaline lakes, which sets them apart from typical inland freshwater bodies and gives them particular ecological value. Water levels and colour can shift noticeably with the seasons and rainfall, and in summer some of the lagoons partially dry out, exposing the characteristic salt-crusted shoreline. The surrounding countryside is classic agricultural steppe - an open, gently rolling landscape where cultivated fields sit alongside pockets of salt-tolerant native vegetation. That contrast between farming activity and this pocket of wild, saline wetland is part of what draws birdwatchers and visitors interested in the kind of open steppe scenery that is uncommon elsewhere in this part of Spain. What protection status does the area have? Because of its ecological value, the entire Pétrola-Corral Rubio lagoon complex carries several layers of protection: it is designated a Special Protection Area for birds (ZEPA) and a Special Area of Conservation (ZEC) under the European Natura 2000 network, and it is also recognised as a protected natural area under the regional conservation framework of Castilla-La Mancha. This status stems mainly from the lagoons' role as habitat for waterfowl and steppe birds, for which these hypersaline waters provide a feeding and resting environment that is rare in the surrounding region. How do you get there? Corral-Rubio lies in eastern Albacete province, close to the borders with the Murcia and Valencia regions. The easiest way to reach it is by car, using the local roads that connect the village with nearby Pétrola, Bonete, and Montealegre del Castillo. Since the area is largely agricultural, it is worth planning the route in advance and checking current access to specific viewpoints near each lagoon before setting off. When is the best time to visit? The most rewarding time to visit is autumn through early spring, when water levels tend to be higher and birdwatching is generally more productive. In summer, with higher temperatures and less rainfall, some of the lagoons can drop significantly in water level or dry out for a time, changing the look of the landscape - though the site's distinctive geology and open scenery remain worth seeing at any time of year. Frequently Asked Questions Is Laguna del Salarejo a freshwater lake? No - it is a hypersaline lagoon, like most of the lakes that make up the Pétrola-Corral Rubio wetland complex. Is the area protected? Yes, it is part of the Natura 2000 network as a Special Protection Area for birds and a Special Area of Conservation, and it also falls under regional nature protection in Castilla-La Mancha. Are there other lagoons nearby worth visiting? Yes, Laguna del Salarejo is one of several lagoons that make up a larger wetland complex around Corral-Rubio, Pétrola, and Bonete. Does the lagoon dry up in summer? Depending on rainfall, water levels in these hypersaline lagoons can drop sharply or the lagoons can temporarily dry out in summer - this is a natural characteristic of this type of ecosystem.

Laguna de Ontalafia

Albacete

Laguna de Ontalafia is an inland lagoon in the municipality of Albacete, in the Castilla-La Mancha region of Spain, sitting at roughly 1,000 metres above sea level. It lies north of the village of Abuzaderas, tucked between the Ontalafia mountain range and the Las Cuerdas hills, on the northeastern edge of the Subbética mountains. It's one of the lesser-known corners of Albacete province, but a rewarding stop for birdwatchers and anyone after a quiet hike through steppe and low mountain country. How do you get there? The lagoon sits inland, in steppe and hill country north of the city of Albacete. The best starting point is the village of Abuzaderas, from where marked paths lead toward the lagoon. The approach trail runs about 3.5 km, has little elevation change, and is rated easy, so it suits most walkers, families included. Bring water and a good map — the surrounding area is sparsely developed and trail signage can be minimal. What will you see? The lagoon itself sits on private land, so you can't walk right up to the shoreline or circle it on foot — it's viewed from the surrounding hills, which still gives a good vantage point over the whole basin and the steppe-and-mountain landscape around it. The spot is prized mainly by birdwatchers: ducks, herons and egrets gather on and around the water, and flamingos can appear when conditions are right. The surrounding steppe is also home to the Iberian imperial eagle, one of Europe's rarest raptors, which turns up here regularly. Another draw is the great bustard: in the right season, males perform their striking courtship displays nearby, pulling in birdwatchers from across Spain. The landscape around the lagoon is classic central Spanish steppe and low sierra — stark at first glance, but full of life for anyone willing to sit still and watch. When should you visit? Spring is the best time to come, when water levels tend to be higher and bird activity peaks — it also coincides with the great bustard's courtship season. Summer in the Albacete steppe runs hot and dry, which can shrink the lagoon and reduce the number of birds on view. Autumn and early winter are good for spotting waterfowl passing through on migration. Whatever the season, an early start pays off — birds are most active in the first hours of daylight, and the walk is more comfortable before the heat sets in. Frequently Asked Questions Can you walk down to the water? No — the lagoon is private property, so it's viewed from the surrounding hills, which offer a clear view over the entire basin. How long is the approach trail? The walking route to the lagoon area is about 3.5 km, with minimal elevation gain and an easy grade. What birds can you expect to see? Ducks, herons and egrets are the regulars, with flamingos appearing when conditions allow. The Iberian imperial eagle is present in the surrounding steppe, and great bustards can be seen displaying in season. Is this a good spot for casual visitors? Yes — the approach is short and undemanding, though it's worth bringing water and a map since the area has little infrastructure.

Laguna de Ruiz Sánchez

Écija

Laguna de Ruiz Sánchez is an inland lagoon in the southern part of the Écija municipality, in the province of Seville, right in the middle of Andalusia's Campiña region. It's one of the area's most valuable wetlands and an important stop for migratory birds. Where is the lagoon located? The lagoon sits on the border of three municipalities: Écija, Osuna, and La Lantejuela. It was historically part of a larger network of lagoons and wetlands known as the Endorheic System of Lantejuela — a cluster of closed-basin water bodies typical of this part of the Seville countryside. Laguna de Ruiz Sánchez has appeared on maps since the Middle Ages, a sign of how long it has shaped the local landscape. Following its recovery, the lagoon now covers close to 359 hectares, making it the second-largest inland wetland in all of Andalusia, surpassed only by the well-known Laguna de Fuente de Piedra in Málaga. How do you get there? The lagoon lies in open countryside south of Écija, between that town and Osuna and La Lantejuela. The easiest way to reach it is by car along the local roads connecting these three towns — the surroundings are largely agricultural, so it's worth planning your route ahead of time and bringing water and sturdy footwear for walking across open ground. Écija itself sits on the main route linking Seville and Córdoba, so reaching the town is straightforward. What's the story behind this place? The lagoon's history is a familiar Andalusian tale of loss and recovery. In 1967 it was drained and the land given over to dryland cereal farming, a decision made at many similar sites across the region in the name of agricultural expansion. The land stayed under cultivation for nearly four decades until 2006, when it was purchased by the regional government of Andalusia (Junta de Andalucía) through its Ministry of the Environment. Restoration work began in 2009, re-establishing the lagoon's original hydrology and bringing water back to where it had flowed for centuries. What will you see there? Since its restoration, the lagoon has once again become a magnet for waterbirds. Over 30 species have already been recorded here, including flamingos, dabbling ducks, and a variety of wading birds. The site falls within the ZEPA Campiña de Écija, a special protection area for birds, underlining its regional ecological importance. Particularly notable is the lagoon's role as a stopover for common cranes during their seasonal migration — one of the few spots in the area where they can be observed passing through. Bring binoculars: birdwatching is the main draw here, and the open landscape around the lagoon makes for quiet, unhurried walks away from the crowds. When is the best time to visit? Autumn and winter are the best seasons to visit, when cranes pass through the area and water levels in the lagoon are typically at their highest after seasonal rains. Spring is also good for spotting waterbirds. In summer, under Andalusia's typically dry climate, water levels can drop, so it's worth checking current conditions before planning your trip. Frequently Asked Questions Is the lagoon natural or artificial? It's a natural, closed-basin (endorheic) lagoon known since the Middle Ages. It was only temporarily drained by humans in 1967 and later restored to its natural state through a recovery program that began in 2009. What bird species can you see here? More than 30 species have been recorded, including flamingos, dabbling ducks, and wading birds. The lagoon also serves as an important stopover for cranes during migration. Is the lagoon a protected natural area? Yes, it lies within the ZEPA Campiña de Écija, a special protection area for birds. How large is the lagoon? It covers around 359 hectares, making it the second-largest inland wetland in Andalusia after Laguna de Fuente de Piedra in Málaga.

Estany de Malniu

Meranges

Estany de Malniu is a glacial mountain lake near the village of Meranges, in the Cerdanya region of the Catalan Pyrenees, right on the border with France. Sitting at roughly 2,250 metres above sea level at the foot of the Puigpedrós massif (2,915 m), which towers over the whole area, the lake is ringed by pines and granite boulders and counts among the most visited lakes in Cerdanya — in summer it draws even more visitors than the nearby Pera lakes. How do you get there? The starting point is the Refugi de Malniu, reached from Meranges via a forest track suitable for cars. Parking at the refuge is paid, at around 3 euros per vehicle per day. From there, a well-marked, easy path leads to the lake, roughly 3 km round trip with very little elevation gain — a route that works well for families with children and hikers without much mountain experience. What will you see? The lake itself, framed by pine forest and granite blocks, has the calm, clear water typical of glacial tarns in the Pyrenees. Behind it rise the steep slopes of the Puigpedrós massif, which in summer becomes the target of longer hikes starting right from the lakeshore. The surrounding Malniu area is proper high-mountain terrain — rocky ridges, mountain pine and open pastureland, a clear contrast to the denser forests lower down near Meranges. When should you visit? Summer is the best time to come, when the trail and parking are fully accessible and weather in the high Pyrenees tends to be stable. Because of the altitude (2,250 m), patches of snow can still linger on the path in spring and autumn, while winter access — both driving up and walking in — becomes considerably harder or at times impossible without proper gear. At the height of summer the trail gets busy, so an early start helps you beat the crowds and find parking at the refuge more easily. Who is this route for? The short distance and minimal elevation gain make the walk to Estany de Malniu suitable for almost anyone — families with young children, older visitors, or anyone after an easy walk with a mountain payoff, without committing to a full day out. For more ambitious hikers, the lake also works as a starting point for longer climbs toward the summit of Puigpedrós or the ridgeline along the French border. Frequently Asked Questions How long does it take to reach Estany de Malniu? The route from the parking area at Refugi de Malniu is about 3 km round trip, and with the modest elevation gain it usually takes no more than an hour to an hour and a half one way, depending on pace. Is the route suitable for children? Yes — it's one of the easier mountain routes in Cerdanya, short and with only a gentle climb, which is why it's a popular choice for families. Can you drive there? Yes, a forest track runs from Meranges up to the parking area at the Malniu refuge, where a fee applies (around 3 euros per vehicle per day). Is it worth stopping for a while at the lake? Yes — the lakeside and the area around the Malniu refuge make a good spot to rest or picnic, and for those keen to keep walking, it's a solid launch point into the higher reaches of the Puigpedrós massif.

estany Tort de Colieto

la Vall de Boí

Estany Tort de Colieto is a small glacial lake in the municipality of la Vall de Boí, tucked away at roughly 2,400 meters above sea level in the Colieto valley, inside Aigüestortes i Estany de Sant Maurici National Park. The name "tort" (twisted, crooked) describes the lake's elongated, irregular basin, carved by glacial action into the hard granite bedrock of the Catalan Pyrenees. Where exactly is the lake? Estany Tort de Colieto sits in the Vall de Colieto, a side branch of the Capçalera de Caldes — the upper catchment of the Caldes stream that feeds the whole lake system in this part of the park. The valley shows classic glacial features: steep rock walls, moraine debris, and a stepped sequence of small lakes, of which Estany Tort de Colieto is one of the smaller ones, covering only about 0.6 hectares. How do you get there? The starting point is the car park at the Cavallers dam (around 1,697 m), reached by road from la Vall de Boí. From there, a hiking trail climbs into the Caldes valley, passing the Refugi Ventosa i Cavell mountain hut, which serves as a waypoint and rest stop along the way. The path then branches into the Colieto side valley and climbs to the high alpine basin where the lake lies. Given the altitude gain and rugged high-mountain terrain, the hike calls for reasonable fitness and proper trekking footwear — plan for most of a day. What will you see there? Estany Tort de Colieto is a typical Aigüestortes cirque lake — a small, still body of water framed by bare rock and high-altitude meadows, with no tourist infrastructure around it. The same Colieto valley holds several other lakes, including Estany Blau de Colieto, so it's easy to combine more than one lake into a single outing. The surrounding landscape is quintessential Pyrenean high country: sharp granite ridges, glacial cirques, and the many "estanys" — mountain lakes — that give Aigüestortes its Catalan name. When is the best time to visit? Because of the altitude (2,400 m), the valley can stay snow-covered well into late spring, so summer — roughly June/July through September — is the best window, once trails have cleared of snow. Early in the season, meltwater still keeps streams and lakes running high, reinforcing the glacial character of the landscape. Frequently Asked Questions Can you swim in the lake? High-altitude lakes in Aigüestortes stay very cold year-round, and the terrain around Estany Tort de Colieto is protected, rugged natural landscape — swimming isn't a typical activity here. Is the hike suitable for children? Given the altitude, the length of the approach, and the high-mountain terrain, the route into the Colieto valley is demanding and better suited to hikers with good fitness than to an easy family stroll. Is there a mountain hut nearby? Yes, the Refugi Ventosa i Cavell lies along the approach route and serves as a rest point and landmark for hikers heading toward the Colieto valley. Are there other lakes worth seeing in the same valley? Yes, the Vall de Colieto also holds other lakes, including Estany Blau de Colieto, making it possible to visit several glacial lakes in a single day.

Laguna de Valdeazores

Cazorla

Laguna de Valdeazores is the only permanent natural lagoon in the Sierras de Cazorla, Segura y Las Villas Natural Park, in the province of Jaén, Andalusia — the largest protected natural area in Spain. The lagoon formed after an old landslide blocked the course of the Arroyo de la Reina stream; a small retaining wall was later added to help keep its water level stable throughout the year. Framed by steep slopes and pine forest, it feels like a quiet, hidden pocket of the park, reached after a fairly demanding hike along the Borosa River. How do you get there? The classic approach follows the Borosa River trail, a well-known route that winds through a narrow gorge past waterfalls and clear pools. Along the way hikers pass the striking Salto de los Órganos waterfall before the path climbs toward the lagoon itself, with the final stretch to the water covering roughly 4.4 km. Given the elevation gain and the overall length of the outing, it is worth setting aside a full day, wearing proper hiking boots, and carrying enough water. What will you see? After the noisy, cascading stretch of the gorge, the lagoon itself offers a striking sense of calm — still water framed by rocky slopes and trees. It draws waterfowl, and visitors regularly spot mallards, coots and moorhens resting on its surface. Early in the morning or toward evening, the area around the lagoon can also attract some of the park's larger animals, including deer, wild goats and mouflon, which come down to drink. For anyone interested in wildlife, this is one of the highlights of the whole Borosa route. When is the best time to visit? Spring and autumn are the best seasons for the hike, when temperatures inside the gorge are milder and water levels in the river and lagoon tend to be higher, which adds to the scenery along the way. Summers can get hot in the valley, especially on the sunnier, more exposed stretches of the trail, so an early start is recommended. In winter the path can be more demanding due to moisture and icy patches on rocky sections, so extra care is needed. Frequently Asked Questions Is Laguna de Valdeazores the only lake in the park? Yes, it is the only permanent natural body of water in the Sierras de Cazorla, Segura y Las Villas Natural Park; other pools in the area are either seasonal or man-made. How did the lagoon form? It formed when a landslide blocked the course of the Arroyo de la Reina stream. A small dam was later added to help the lagoon hold a stable water level. What wildlife can you spot here? Mallards, coots and moorhens are commonly seen on the water, while deer, wild goats and mouflon are known to visit the surrounding area to drink. Is the trail to the lagoon difficult? The Borosa River trail is long and requires reasonable fitness, but it is not technically demanding — it follows a clearly marked path through the gorge, passing the Salto de los Órganos waterfall before reaching the lagoon.

Laguna de El Portil

Punta Umbría

Laguna de El Portil is a coastal lagoon and nature reserve sitting between Punta Umbría and the village of El Portil, in the province of Huelva, Andalusia. It is one of the few wetlands of its kind along Spain's Atlantic coast, shaped over centuries by shifting sand dunes that dammed the flow of several streams into a long, curving body of water. What kind of place is this? The Laguna de El Portil Nature Reserve is actually made up of seven interconnected lagoons spread across the municipalities of Punta Umbría and Gibraleón. Declared a protected reserve in 1989, the area covers more than a thousand hectares of wetlands, dunes, and Mediterranean scrubland. The main lagoon, El Portil itself, has an elongated, irregular shape carved out by the coastal dune system that surrounds it. What will you see there? The lagoon is best known for its population of Mediterranean chameleons, one of the few reliable habitats for the species on the Iberian Peninsula. Birds, however, make up the largest and most varied group of animals in the reserve. Sitting along a migratory flyway, the lagoon serves as a wintering ground for numerous waterfowl and wading species — visitors can spot lapwings, coots, moorhens, and several species of duck, depending on the season. The surrounding land is covered in typical Mediterranean vegetation — pines, junipers, and dune shrubs that anchor the shifting sand and shelter the lagoon from the coastal wind. How do you get there and what can you do? A walking trail of roughly 3 kilometers circles the lagoon, suitable for both walking and cycling, and takes visitors past open water, reed beds, and wooded dunes in a single loop. A viewpoint within the reserve offers a full panorama of the lagoon and its surrounding wetlands — the best spot for birdwatching and photography without venturing into the more sensitive parts of the protected area. Because Laguna de El Portil sits right next to the popular resort towns along the Huelva coast, it makes for an easy, low-effort escape for travelers who want a break from the beach without straying far from it. Early morning and evening are especially good times for a quiet walk, when bird activity around the lagoon peaks. When should you visit? The autumn and winter months, along with early spring, are the best times to visit, since this is when the lagoon hosts the largest numbers of waterbirds either wintering here or stopping over during migration. In summer, water levels tend to drop and the heat is more intense, so it's worth planning a visit for the morning hours. Frequently Asked Questions Is there an entrance fee for the reserve? The reserve is a protected natural area with an open, public walking trail; no ticket is required, but visitors should stick to the marked paths and respect the conservation rules in place. Can you actually spot the chameleons? Yes, the lagoon is one of the few places in Spain with a wild population of Mediterranean chameleons, though their camouflage means spotting one takes patience and a careful eye. How long does it take to walk around the lagoon? The loop trail around the lagoon is about 3 kilometers long, which typically takes 45 minutes to an hour on foot, depending on how many stops you make for birdwatching. Are there beaches nearby? Yes, the lagoon is close to the Atlantic coastline and resort towns like Punta Umbría and El Portil, so it's easy to combine a reserve visit with a beach day.

Laguna Chica de Peñalara

Alameda del Valle

Laguna Chica de Peñalara is a small glacial lake in the Sierra de Guadarrama National Park, in the Community of Madrid, Spain, sitting at the foot of the Peñalara peak. The lake lies roughly 600 meters southwest of the Peñalara cirque, at an elevation of nearly 1,970 meters above sea level. What will you see? Laguna Chica has a circular shape and a surface area of only about 700 m², making it one of the smallest lakes in the whole Peñalara massif. Despite its modest size, it's one of the more visited spots in the area, since it sits right next to the trail leading to the larger and better-known Laguna Grande de Peñalara. The surrounding landscape is shaped by rocky slopes, high-mountain meadows, and vegetation typical of the upper reaches of the Sierra de Guadarrama. In winter, from December through March, the lake freezes almost completely due to the sub-zero temperatures at this altitude. Because of this, no fish live in its waters — but the area around the lagoons is an important habitat for amphibians and birds that rely on this damp, high-mountain microclimate. How do you get there? Trips to the Peñalara lagoons usually start from Puerto de Cotos, a mountain pass that serves as a popular trailhead for hikes across this part of the Sierra de Guadarrama. From there, the path climbs toward the Peñalara cirque and its string of glacial lakes, including Laguna Chica. Access within the national park can be subject to restrictions on vehicle traffic or visitor numbers during peak season, so it's worth checking current rules at the park's information center before setting out. The route crosses mountainous, occasionally rocky terrain, so sturdy hiking boots and proper preparation are essential — especially outside summer, when weather in the Sierra de Guadarrama can shift quickly. When should you visit? The best time to visit runs from late spring through early autumn, when the trails are clear and mountain temperatures are more favorable for hiking. In summer, the vegetation around the lagoons is at its most lush, and views of the Peñalara peak and the surrounding granite ridges are at their clearest. In winter, Laguna Chica turns into a quiet, ice-covered spot — appealing to those who enjoy mountain silence, but it demands winter gear and experience moving through snow-covered terrain. In spring, as snow melts, the lake's water level tends to be at its highest. Frequently Asked Questions Can you swim in Laguna Chica de Peñalara? No. It's a protected lake within a national park with a fragile ecosystem, and swimming or entering the water is not practiced there. Are there fish in the lake? No. Since the lake freezes from December to March, conditions don't support a permanent fish population — though amphibians and various bird species live in the surrounding area. How big is the lake? Laguna Chica covers roughly 700 m² and has a circular shape, making it one of the smaller lagoons in the Peñalara massif. Is the trail to the lake difficult? The path crosses mountainous terrain at close to 2,000 meters altitude, partly over rocky ground. It requires basic fitness and proper footwear, but it isn't a technical climb during the summer season.

Caño de Cortadura

Puerto Real

Caño de Cortadura is an artificial water channel in Puerto Real, Cádiz province, linking the San Pedro river inlet to the inner waters of the Bahía de Cádiz via the Caño del Trocadero. It's a spot where two centuries of history meet the wetland landscape typical of this stretch of the Andalusian coast. What is this place? The channel was dug between 1812 and 1813, right after Napoleonic troops withdrew from the siege of Cádiz, which had lasted more than two years. It was built for defensive purposes, meant to protect the Fort of San Luis on Trocadero Island. The project was large in scale: more than a thousand people worked on it daily, including French prisoners of war and paid laborers from surrounding towns. The channel was planned to run just over a kilometer in length, 80 meters wide and 5 meters deep. The site also has a place in the region's military history as the scene of the Battle of Trocadero, fought during the night of August 30-31, 1823, between French forces and Spanish liberal troops. Traces of the old fortifications remain in the surrounding landscape today, and the channel itself now blends into the network of tidal channels and marshes that define the Bahía de Cádiz. How do you get there? Caño de Cortadura sits within the Puerto Real municipality, near the San Pedro river, not far from the town center. It's an easy stop for anyone exploring the wetlands around the Bahía de Cádiz, an area of channels and salt marshes stretching along the coast between Puerto Real, Cádiz, and Chiclana. Local buses from central Puerto Real reach the area, since it lies within the town's public transport network. What will you see there? The channel itself is the main draw – a broad stretch of water framed by the marshland and salt-meadow scenery typical of the Bahía de Cádiz. In recent years, a new viewpoint (mirador) was built at Caño de Cortadura, changing the feel of this part of the Río San Pedro neighborhood. The project aimed to reclaim public space for residents and strengthen the local identity, and the platform now offers quiet views over the channel and surrounding land. For visitors interested in history, it's also a chance to stand where a significant battle took place two centuries ago, part of the broader story of the siege of Cádiz and the Napoleonic Wars on the Iberian Peninsula. When should you visit? Because this is open, waterside wetland terrain, spring and autumn make for the most comfortable visits, when Andalusian temperatures are milder than in peak summer. A walk along the channel and a stop at the mirador pair well with a visit to Puerto Real itself, especially in the morning or around sunset. Frequently Asked Questions What is Caño de Cortadura? It's an artificial water channel in Puerto Real, built in 1812-1813 for defensive purposes, connecting the San Pedro river to the inner Bahía de Cádiz. Why is the channel historically significant? It was dug right after the Napoleonic siege of Cádiz ended and was the site of the 1823 Battle of Trocadero between French forces and Spanish liberal troops. What can you see there today? The channel itself, set among wetland scenery, plus a newer viewpoint (mirador) in the Río San Pedro neighborhood with views over the surrounding area. Is it worth combining with a visit to Puerto Real? Yes – the channel is close to the town center, making it easy to fit into a walk around Puerto Real and the Bahía de Cádiz coastline.

Lagoon of Laguna de Duero

Laguna de Duero

The Lagoon of Laguna de Duero sits right at the heart of Laguna de Duero, a town on the banks of the Duero river just south of Valladolid. It gives the town its name, its main gathering space, and — once you dig into its past — a far more dramatic history than a quiet town lake usually has. Where does the lagoon come from? Written records of this wetland go back to the 12th century. In 1135, Count Armengol VI of Urgell donated the local church, dedicated to Santa María de Laguna, to the abbey of Valladolid — one of the earliest documents to mention the settlement. For centuries the natural lagoon was one of the more important wetlands in what is now Castile and León, fed by springs from the surrounding hills. Everything changed in the 19th century. The construction of the Canal del Duero in 1886 raised groundwater levels and caused uncontrolled seepage, turning the lagoon into a growing problem for the town. Draining it was first considered in 1916, but the decision wasn't carried out until 17 May 1972, when the lagoon was finally drained. The site sat unused for over a decade until, from the mid-1980s, the town council decided to bring the water back and rebuild the old wetland as a recreational park. That's when the promenade around the lake, the green areas, fountains and sports facilities took shape — much of what visitors still find there today. What is there to see? Walking the shoreline, you'll find a wide promenade lined with greenery, benches and open views across the water. It's the everyday spot for locals to walk, jog and unwind, and functions as the informal social center of the whole town. The lagoon also doubles as a stage for local culture. Every year it hosts the "Artelago" crafts fair, drawing artisans from across the region, along with the National Floating Sculptures Contest, where artists install original works directly on the water. These events keep the lagoon lively well beyond the summer season. The surrounding wetland area is also a decent spot for watching waterfowl, which take readily to this kind of habitat so close to the Duero valley. How to get there and when to visit? Laguna de Duero lies just south of Valladolid, on the opposite bank of the river, and is well connected to the city — making it an easy half-day trip for anyone based in the provincial capital. The park area around the lake is open to the public year-round. Spring and early summer are the best times to visit, when the surrounding greenery is at its fullest and the town's outdoor events calendar picks up. Timing a visit around the crafts fair or the sculpture contest is worthwhile too — that's when the lagoon shows its most authentic, local side. Frequently Asked Questions Is the lagoon in Laguna de Duero a natural lake? It started as a natural wetland fed by springs, but was drained in 1972; the current lake was recreated in the 1980s as part of a recreational park. What can you do around the lagoon? Walk the promenade, relax in the green areas, watch waterfowl, and catch local events such as the "Artelago" crafts fair or the floating sculptures contest. How far is the lagoon from Valladolid? Laguna de Duero sits directly south of Valladolid, across the Duero river, and is easily reached from the city. Is there an entrance fee for the lagoon area? The park surrounding the lake is open, public municipal grounds.

Pozo Negro

Fresneda de la Sierra Tirón

Pozo Negro is a small natural water body located right next to the village of Fresneda de la Sierra Tirón, in the province of Burgos (Castile and León), close to the border with La Rioja. It suits travelers looking for quiet natural surroundings, away from the busier tourist routes of northern Spain. Where exactly is Pozo Negro? The pond sits in the mountainous Sierra de la Demanda area, a region known for scenic valleys, forests, and small villages scattered across the hills. Fresneda de la Sierra Tirón is a small municipality typical of this part of Burgos province: quiet, rural, and largely untouched by mass tourism. The pond itself lies on the edge of the village, surrounded by vegetation typical of this part of Castile and León. How to get there? The most practical option is to travel by car, since the Sierra de la Demanda area has limited public transport and distances between villages can be considerable. It's best to plan the route through one of the larger towns in Burgos province, from where local roads lead up into the mountains. Given the rural character of the area, it's worth checking road conditions before setting off, especially outside the summer months, when mountain weather can change quickly. What will you see there? Pozo Negro is a calm, natural pond set against the landscape typical of the Sierra de la Demanda — hills, forests, and small patches of farmland. This is a low-key spot rather than a heavily developed tourist attraction: it appeals to visitors looking for quiet, a walk in nature, and the chance to observe local wildlife and plant life, rather than facilities or crowds. The surroundings of Fresneda de la Sierra Tirón also make a good base for exploring the wider Sierra de la Demanda, a region known for its network of hiking trails and scenic mountain routes through this part of Castile and León. When is the best time to visit? The region has a continental climate, with cold winters and warmer summers typical of inland Castile and León. Spring and early autumn are usually the most comfortable seasons for walking and exploring the area, with milder temperatures than in the height of summer and particularly scenic surroundings as the vegetation changes color. In winter, higher parts of the Sierra de la Demanda can see snowfall and more difficult road conditions, which is worth factoring in when planning a visit during that period. Frequently Asked Questions Is Pozo Negro a natural lake? Yes, it's a natural water body, classified in geographic databases as a lake located in Castile and León. Which province is Pozo Negro in? It lies in the province of Burgos, within the municipality of Fresneda de la Sierra Tirón, close to the border with La Rioja. Are there hiking trails nearby? The Sierra de la Demanda region offers numerous hiking and scenic routes, though specific marked trails right around the pond are worth checking locally before your visit. Is it easy to reach? Traveling by car is the most convenient option, since the area is rural and not well served by public transport, so it's worth planning the route in advance.

Montoliu Lake

Naut Aran

Montoliu Lake (Estany de Montoliu) is a glacial lake set high in the Catalan Pyrenees, within the municipality of Naut Aran, right in the heart of the Aran Valley (Val d'Aran). It belongs to a broader family of high-mountain lakes — locally called "estanys" or "ibons" — scattered across the peaks surrounding the valley, each shaped by its own altitude, rock formations, and seasonal snowmelt. Val d'Aran is one of Spain's most distinctive corners: it is the only valley in the country whose rivers flow toward the Atlantic rather than the Mediterranean, and locals still speak Aranese, an Occitan dialect, alongside Catalan and Spanish. Naut Aran, the municipality that includes the lake, brings together several of the valley's historic villages and sits close to Baqueira-Beret, one of the largest ski resorts in the Pyrenees. How do you get there? Montoliu Lake lies in the high-mountain section of Naut Aran, away from paved roads. Reaching it means hiking in on a mountain trail, as is typical for lakes at this altitude in the Pyrenees — routes of this kind usually start from one of the valley's villages and climb through pastureland and rocky terrain toward the higher ground. Because the surrounding terrain is genuinely high-mountain, it's worth allowing plenty of time and checking the weather forecast before setting out, since conditions in the Pyrenees can shift quickly even in summer. The most practical starting point for visitors arriving by car is the Aran Valley itself, connected to the rest of Catalonia through the Vielha tunnel, which links the valley to the wider road network. From there, the journey continues on local roads toward Naut Aran, and eventually on foot. What will you see? Like most glacial lakes in this part of the Pyrenees, Montoliu Lake's main draw is the contrast between its deep blue or emerald water and the raw, rocky landscape around it. Lakes of this kind formed thousands of years ago in basins carved out by retreating glaciers, and they're fed by snowmelt and rainfall — which means both water level and surrounding scenery shift noticeably with the season. The setting is classic high-Pyrenean terrain: rocky ridgelines, alpine meadows, and, depending on elevation, patches of snow that can linger well into early summer. It's a spot for travelers looking for quiet and untouched nature, away from the valley's busier tourist routes. When should you visit? Given its high-altitude setting, summer is the best time to go — roughly June through September, once snow at higher elevations has melted back and approach trails become passable. In spring and autumn, access can be complicated by lingering snow or unstable weather, and in winter the high terrain around the lake is generally off-limits without proper mountaineering preparation and equipment. Frequently Asked Questions What is Montoliu Lake? It's a glacial lake in the high Pyrenees, located in the municipality of Naut Aran within the Aran Valley, Catalonia. Is it easy to reach? Not directly — the lake sits in high-mountain terrain and requires hiking in on a mountain trail; there's no direct road access by car. When is the best time to visit? Summer, roughly June to September, is the most reliable window, once high-elevation snow has cleared and trails are more accessible. Are there other attractions nearby? Naut Aran is known for the Baqueira-Beret ski resort and for its network of high-mountain lakes and trails typical of Val d'Aran — it's worth combining a visit with a wider exploration of the valley.

Ibón de Plan

Plan

Ibón de Plan, also known as Basa de la Mora, is a mountain lake set above the village of Plan, in the Gistaín valley, in the Aragonese Pyrenees (province of Huesca). Unlike many alpine lakes, it has no permanent river feeding it — its water comes purely from melting snow and ice at altitude, making it a classic example of a high-mountain glacial pool. Where is Ibón de Plan located? The lake sits at roughly 1,910 metres above sea level, inside a rocky glacial basin ringed by steep slopes and patches of conifer forest that reach almost to the shoreline. That combination — a bare, stony amphitheatre softened by dark green pine — is typical of the upper reaches of the Gistaín valley, a side valley of the Aragonese Pyrenees. The village of Plan, which gives the lake its name, lies further down the same valley and serves as the natural starting reference for anyone locating the spot on a map. How do you get there? Reaching Ibón de Plan means a genuine mountain hike, not a roadside stop. A car can only take you as far as the lower valley; the final stretch has to be covered on foot along a trail that climbs steadily toward the lake basin. The path shifts character as it rises — starting among trees lower down and opening into bare, rocky alpine terrain closer to the lake. Because of the altitude and terrain, it's worth setting off with plenty of time in hand and checking the weather forecast beforehand, since conditions in the high Pyrenees can shift quickly even in summer. What will you see at the lake? The defining feature of this spot is the contrast between the raw, rocky basin and the calm surface of the water, which mirrors the surrounding slopes and sky. With no river inflow, the lake's level and appearance are tied closely to the season — spring and early summer bring meltwater from the surrounding snowfields, which shapes both the water level and the look of the shoreline. The conifers growing around the basin frame the view of the water and the ridgeline beyond, a scene characteristic of high-altitude lakes across this stretch of the Pyrenees. When is the best time to visit? Late spring through summer is the most accessible window, once the approach trail clears of snow and temperatures in the upper valley become more hiker-friendly. Earlier in spring, snow can still linger around the basin, making the final approach harder going. Autumn tends to be a quieter time for a hike here, though weather becomes less predictable as temperatures drop. Frequently Asked Questions Is Ibón de Plan a natural lake? Yes, it's a natural high-mountain lake sitting in a glacial basin, fed entirely by melting snow and ice with no permanent river inflow. How high up is the lake? Ibón de Plan lies at an elevation of about 1,910 metres, in the upper part of the Gistaín valley. Can you drive right up to the lake? No — the final section has to be walked, since the lake sits in mountain terrain that vehicles cannot reach. Which region of Spain is Plan and its nearby lake in? Plan and Ibón de Plan are located in the province of Huesca, in the Aragonese Pyrenees, within the Gistaín valley.

Laguna La Mosca

Güéjar Sierra

Laguna La Mosca is a small mountain lake in the municipality of Güéjar Sierra, within the Sierra Nevada range in Granada province, Andalusia. It sits high in the massif, away from any built-up areas, surrounded by the rocky terrain typical of the highest reaches of Sierra Nevada. Where is Laguna La Mosca located? The lake lies within the municipality of Güéjar Sierra, a village widely regarded as one of the gateways into Sierra Nevada from the Granada side. Trails leading deeper into the range, toward the high-altitude valleys and glacial lakes, start from around here — and Laguna La Mosca is one of these small, natural mountain tarns rather than a large reservoir. How do you get there? Most visitors use Güéjar Sierra as their starting point, with the final stretch to the lake covered on mountain trails leading further into Sierra Nevada. Treat the trip like any high-mountain excursion: proper hiking boots, enough water, sun protection, and a weather check before setting out. Given the altitude and terrain, the route is not suited to unprepared hikers or to families with young children lacking mountain experience. What will you see? Laguna La Mosca is a typical example of a high-mountain lagoon in Sierra Nevada — a small, still body of water framed by rocky slopes and alpine vegetation. Lakes of this kind formed through glacial processes and are a defining feature of the range's highest sections, alongside the neighboring Sierra Nevada peaks, among the highest in continental Europe outside the Alps and the Caucasus. Silence, thin mountain air, and a raw, stony landscape are the main draw here — this is a destination for travelers seeking contact with wild, high-altitude nature rather than built tourist infrastructure. When should you visit? Sierra Nevada's highest sections stay under snow for much of the year, so the best window for reaching lakes such as Laguna La Mosca is late spring through early autumn, once the trails have cleared. In winter and early spring, the high-altitude stretches can be hazardous without proper gear and experience. Frequently Asked Questions Is Laguna La Mosca easy to reach? No — it's a high-mountain location reached on foot from around Güéjar Sierra. There's no direct road access to the lake itself. Is there tourist infrastructure around the lake? As a natural high-mountain lake, Laguna La Mosca offers no built-up facilities — come prepared for a wilderness setting. What's the best time of year to visit? Late spring to early autumn, when the high mountain trails are free of snow and ice. Can this be combined with other Sierra Nevada attractions? Yes — Güéjar Sierra, as the starting point, sits close to other high-mountain trails in the Sierra Nevada range, making it easy to plan a longer hiking trip in the Granada region.

Nature in Spain

estanys Gelats

Estany Negre (Sant Nicolau)

estany Roi

Estany del Port de Ratera

Laguna del Arquillo

Estanys de la Coma de Sotllo

estanyet de Baiau

estany del Port Vell

Llac de Can Codorniu

Laguna de Hoya Elvira

Laguna del Salarejo

Laguna de Ontalafia

Laguna de Ruiz Sánchez

Estany de Malniu

estany Tort de Colieto

Laguna de Valdeazores

Laguna de El Portil

Laguna Chica de Peñalara

Caño de Cortadura

Lagoon of Laguna de Duero

Pozo Negro

Montoliu Lake

Ibón de Plan

Laguna La Mosca

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