Nature in Switzerland
A guide to 298 Nature in Switzerland — with descriptions, photos and traveler visits from the NextOnTrip community. Locations spread across 236 cities and towns. Most visited by the community: Tour de Pierre, Bire, Fulberg.
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Lago Retico
Blenio
Lago Retico is a high-alpine lake in the municipality of Blenio, canton Ticino, Switzerland. It sits in the Valle di Campo in the Lepontine Alps, close to the border with Graubünden, at roughly 2,373 m above sea level. The lake covers about 8.5 hectares and rewards a few hours of climbing with quiet and big mountain views. Where is Lago Retico? The lake lies in the Valle di Campo, a side valley branching off the Valle di Blenio. The area is rocky and austere, shaped by glaciers, and several summits rise above it. The cantonal border with Graubünden runs nearby. How do you get there? Park near Alpe Predasca (about 1,738 m) and follow the red-and-blue marked trail to Capanna Bovarina (about 1,870 m), which takes a little over half an hour. Beyond the hut the path steepens noticeably. In total expect around 634 m of ascent and roughly three hours of walking from the car park. It is a demanding hike for fitness, but needs no climbing gear. What can you see and do? You get a shallow lake framed by boulder slopes and scree. From its shore, routes continue to Cima della Bianca, Cima Garina and Scopi, so many hikers use the lake as a waypoint on a longer day. Another route links it with Capanna Scaletta near the Greina plateau, via Pian Geirett and the pass on the cantonal border. Where can you stay overnight? Capanna Bovarina on the approach offers beds and meals. It makes a handy base if you want to split the outing over two days or start early for the peaks. Check the hut's opening dates before you travel. When is the best time to visit? At this altitude the trail is usually clear of snow from summer into early autumn; earlier in the season patches may linger higher up. Start in the morning, since afternoon thunderstorms are more likely in the mountains. Bring warm layers, water and sturdy boots. Frequently asked questions How high is Lago Retico? About 2,373 m. Some information sheets give 2,372 m. How long is the hike? Around three hours from Alpe Predasca, with 634 m of climbing and a pass by Capanna Bovarina. Can you stay overnight? Yes, at Capanna Bovarina on the way up. What is the best way back? Simply retrace the path to Alpe Predasca. Experienced hikers can combine the trip with other nearby goals such as Scopi.
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Lej da Champfèr
Surlej
Lej da Champfèr (Champfèrersee) is a lake in the Upper Engadin, canton of Graubünden, Switzerland. It lies between the village of Champfèr and Silvaplana, right beside the hamlet of Surlej, on the valley's lake plateau at roughly 1,800 m above sea level. Where is Lake Champfèr? The lake belongs to the chain of Upper Engadin lakes between St. Moritz and Silvaplana. A narrow neck joins it to the larger Lake Silvaplana, which drains into it. Do not confuse it with Silvaplanersee (Lej da Silvaplauna), a separate and larger body of water further up the valley. The village of Champfèr itself is split between two municipalities, Silvaplana in the west and St. Moritz, with the Ova da Suvretta creek forming the boundary. The lake's coordinates are about 46.467° N, 9.803° E. How do you get there and where do you park? Start from Surlej or Silvaplana. Parking is available at the Surlej bridge or in the Munterots car park in Silvaplana. Buses run along the valley from St. Moritz, so a car is optional. What can you do in summer? A footpath circles the lake and takes about 1 hour 15 minutes at a relaxed pace. A longer loop begins at the Surlej bridge, follows the shore and returns via Crest'Alta; it covers roughly 4.9 km and takes about 1 hour 25 minutes. Views take in Piz Corvatsch and Piz da la Margna, and the walk fits easily into the wider lake trail between St. Moritz and Maloja. Is it worth visiting in winter? In winter the shore is part of a network of walking and running routes. One round trip of about 9.9 km, around 1 hour 10 minutes, leaves the cross-country centre in St. Moritz, passes the Olympic ski jump to the small Lej Marsch, crosses over Lej da Champfèr and returns via Lej Nair. Crossing the frozen lake is only an option when the route is marked and groomed. Away from a marked trail the ice is not safe. When should you come? Summer and early autumn suit easy walks with mountain views. Winter offers groomed paths when conditions allow. Check trail status with the Engadin St. Moritz tourist office before setting out in the cold season. Frequently asked questions Is Lej da Champfèr the same as Silvaplanersee? No. They are two separate lakes joined at a narrow point. Champfèr lies closer to St. Moritz and receives the outflow of Silvaplana. How long does the walk around the lake take? About 1 hour 15 minutes at an easy pace. The Crest'Alta variant from the Surlej bridge takes around 1 hour 25 minutes. Where can I leave my car? At the Surlej bridge or the Munterots car park in Silvaplana. Can I walk on the frozen lake? Only on marked and groomed winter trails, and only when conditions permit.
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Berglimattsee
Glarus Süd
Berglimattsee is a small alpine lake in the municipality of Glarus Süd, in the Swiss canton of Glarus. It sits at roughly 2,157 m above sea level on a modest plateau inside the Freiberg Kärpf reserve, close to the Gandfurggele pass. It rewards hikers who want mountain quiet and don't mind a steady climb on a mountain path. Where is Berglimattsee? The lake lies in the Glarus Alps, between the upper Niderental valley and the Sernftal. Its outflow feeds the Niderenbach, which later joins the Sernf river. The area belongs to Freiberg Kärpf, described as Europe's oldest wildlife reserve, where hunting has been banned since 1548. The coordinates are about 46.96° N, 9.12° E. How do you get to Berglimattsee? The usual route starts at the top station of the Kies–Mettmen cable car. From there the trail passes the Garichti reservoir and continues east along a mountain path to the lake. The Naturzentrum Glarnerland tip sheet gives around 3 km, about 1.5 hours of walking and roughly 550 m of ascent. Expect a proper mountain trail and a moderate level of fitness. Longer approaches begin in Engi or Matt. They take about 4 hours with some 1,300 m of climbing, so they suit experienced hikers. You can also make a loop from the Garichti reservoir. A Komoot listing puts it at about 12 km with around 840 m of ascent and rates it hard. What will you see? A calm sheet of water on a high plateau, framed by the rocky ridges typical of the Kärpf massif. On the way you pass the Garichti reservoir and get views over the valley. This is a place for stillness rather than for attractions: there are no facilities at the lake, so carry your own water and food. When should you go? Naturzentrum Glarnerland recommends visiting mainly from July to October. Earlier in the year, snow can linger above 2,000 m, so check conditions before you set out. Start in the morning to make it back to the cable car in good time. At the trailhead in Mettmen, Berghotel Mettmen serves food before or after the hike. Practical tips Wear sturdy hiking boots; the path can be rocky and steep. Pack layers, since mountain weather changes fast. Plan your return around the last Kies–Mettmen cable car. Stay on the trail and keep your distance from wildlife in the reserve. Frequently asked questions How long is the walk to Berglimattsee? About 1.5 hours one way from the Kies–Mettmen top station, over roughly 3 km. Is the hike difficult? It is a mountain trail of moderate difficulty. The route from Engi or Matt takes around 4 hours and is considerably tougher. When is the best season? July to October. Outside that window snow usually covers the route. Can you buy food at the lake? No. Eat at Berghotel Mettmen at the start of the trail and bring any other supplies with you.
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Lüsgersee
Blatten b. Naters
Lüsgersee is a small alpine lake on the Belalp terrace above Blatten bei Naters in the Swiss canton of Valais, part of the Aletsch Arena. It sits a little above 2,100 m; sources quote anywhere between 2,094 and 2,170 m. From the top cable car station the lake is roughly a quarter of an hour on foot, so it suits families and anyone wanting an easy outing with big mountain scenery. You will also see it spelled Lüsgensee. How do you get to Lüsgersee? Start in Blatten bei Naters, which is served by public transport from Brig and Naters. Belalp is a car-free zone, so the final climb is by cable car from Blatten. From the top station a gentle path crosses alpine pasture to the water. The walk is short and needs nothing more than sturdy walking shoes. What can you do at the lake? In summer people picnic on the shore, and some take a quick dip in the cold mountain water. Children like to look for small creatures around the banks. It is also a convenient rest stop on longer walks. The lake features on several routes: a loop from the top station past Lüsgersee and Färricha to the Aletschbord viewpoint, with an open view of the Great Aletsch Glacier, a harder circuit of about 15 km from Blatten via the Lüsgen chapel, around five hours in total, the longer Aletsch Panorama Trail toward the suspension bridge at the glacier's gateway, 14-16 km, best between June and October. Can you visit in winter? Yes. A snowshoe trail runs from the Belalp top station to the lake, and you can descend to Blatten by the Holzji route. In winter the lake lies under snow, so the trip is a quiet snowshoe walk rather than a swim. When is the best time to go? June to October is the most practical window, with snow-free paths and the cable car running. Mornings are quieter and the glacier views are often clearer. Pack an extra layer, since weather changes quickly at 2,000 m. Frequently asked questions How long is the walk from the cable car? About 15 minutes at an easy pace from the Belalp top station. Is it suitable for children? Yes. The path to the lake is short and easy, and kids enjoy spotting animals by the water. Can you swim in Lüsgersee? Visitors do swim in summer. The water is cold, so most people keep it to a short cool-down. Can you continue to a glacier viewpoint? Yes. The loop via Färricha leads to Aletschbord, which overlooks the Great Aletsch Glacier. Can I drive there? You can drive to Blatten, but Belalp is car-free. The way up is by cable car.
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Guraletschsee
Vals
Guraletschsee is a high alpine lake above the village of Vals in the Swiss canton of Graubünden. It sits at roughly 2,400 m above sea level (one source gives 2,409 m), entirely within the municipality of Vals, in the side valley known as the Valsertal. Hikers know it as the opening lake of the three-lake circuit that starts near the Zervreila dam. Where is Guraletschsee? The lake lies above the Zervreila reservoir, north of Vals village, close to coordinates 46.561 N, 9.138 E. The Guraletschhorn and Fanellahorn rise nearby. You are above the tree line here, so the scenery is rock, alpine meadow and open sky. How do you get there? Vals is the base. A PostAuto bus runs from the village to the Zervreila dam, where the trail begins. According to one source this service operates in summer only, so check the timetable before you go. Vals itself is reached by bus from Ilanz. From the Zervreila restaurant the path passes a small chapel and climbs to the lake. Expect about 1 hour 45 minutes of walking. What does the three-lake hike include? Guraletschsee is the first stop. The route continues to Ampervreilasee, then Selvasee, and ends at Peiltal, where a small mountain kiosk serves hikers. The full loop is about 12.7 km. Published times range from 5.5 to 7 hours, and the difficulty is rated medium. The highest point on the route is listed at roughly 2,460 to 2,470 m. From Peiltal a hikers' bus takes you back to Vals. It must be booked in advance. When should you go? High trails suit the summer season, when the bus to Zervreila runs and snow has left the path. Start early: the day is long and mountain weather changes fast. Carry layers, water and food for the whole day. What else is there to do in Vals? After the hike, many walkers head to the Therme Vals spa, the village's best-known attraction. Frequently asked questions How high is Guraletschsee? About 2,400 m above sea level. One source lists 2,409 m. How long is the walk from Zervreila to the lake? About 1 hour 45 minutes. It is the first leg of the three-lake route. How long is the full three-lake hike? Around 12.7 km. Sources quote 5.5 to 7 hours of walking at medium difficulty. Can I use public transport? Yes. PostAuto runs from Vals toward Zervreila, reportedly in summer only. The return hikers' bus from Peiltal to Vals requires advance booking.
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Lai Tigiel
Surses
Lai Tigiel is a high mountain lake in the municipality of Surses, canton of Graubünden, Switzerland. It sits at roughly 2,462 m above sea level inside the Parc Ela nature park, above the Savognin valley. German-speaking maps call it Tigielsee; the name itself is Surmiran, a variety of Romansh. Where is Lai Tigiel? The lake lies in the eastern part of Surses, ringed by the peaks of Piz Mitgel, Tinzenhorn and Pizza Grossa. Its coordinates are about 46.60° N, 9.66° E. Surses was created on 1 January 2016 when nine former municipalities merged, Savognin and Bivio among them. Those two villages are the ones that promote the lake as a hiking goal. How do you get there? There is no road to the water, only footpaths. The usual starting points are: Plang la Curvanera: about 2.5 hours to the lake, or roughly 4.5 hours one way from Savognin itself; Pensa: about 2 hours 15 minutes, or around 3 hours 45 minutes from Tinizong; a third route approaches from the Ela hut area, near Bergün, Alvaneu Bad and Filisur. Routes are graded B, meaning demanding. A bus runs from Savognin to the Plang la Curvanera and Pensa car parks, but only on certain weekdays, so check the timetable before you go. Which route should you choose? Fit walkers can take the 14.2 km circuit from Pensa, which passes the lake and continues over Pass digls Orgels and Pass d'Ela. It takes about 6 hours and is rated difficult. A 12.6 km loop from Savognin, with about 680 m of climbing, needs around 5.5 hours. Both can cross technical, rough ground, so good fitness and sure footing are essential. What else is nearby? Giovanni Segantini painted "Le cattive madri" ("The Bad Mothers") in 1894 near the lake, above the Alp Tussagn pasture. In Val d'Err, cattle graze from early June to mid-September, sometimes cows with calves, so keep your distance from the herds. When should you go? At this altitude, summer is the sensible season, when the paths are clear of snow. Start early, because the approach takes hours and mountain weather turns fast. Carry a map, water and a spare layer. Frequently asked questions Can you drive to Lai Tigiel? No. Cars can reach the Plang la Curvanera or Pensa car parks only; the rest is on foot. How long does the walk take? About 2.5 hours from Plang la Curvanera and 2 hours 15 minutes from Pensa. From Savognin it is around 4.5 hours each way. Is the hike easy? No. The routes are graded B and call for good fitness and mountain experience. Where can you find current route information? The Val Surses Savognin Bivio tourism office maintains route descriptions, and maps are also on the Graubünden and Komoot websites.
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Ampervreilsee
Vals
Ampervreilsee is a reservoir above the village of Vals in the Graubünden canton of Switzerland. That is the name used in our system, but the lake is officially and in most guidebooks called Zervreilasee (also Zervreilastausee or Zerfreilasee). Ampervreila is a variant that shows up on maps, tied to the old hamlet of Zervreila that now lies underwater. The lake sits in the Valsertal at 1,862 m above sea level. What is Zervreilasee? It is an artificial lake created by the Zervreila dam, completed in 1957. The arch dam stands 151 m high with a crest roughly 504 m long. The reservoir holds about 100 million m³ of water, covers around 1.6 km² and reaches a depth of up to 140 m. Its water feeds the power plants of Kraftwerke Zervreila, part of a hydro scheme built during the 1950s. What lies beneath the surface? When the basin filled, the small settlement of Zervreila (locally also spelled Zerfreila) at the head of the valley was flooded. The lake's name is now its main reminder. Above the water rises the peak Zervreilahorn, which makes a recognisable backdrop for photos from the shore. How do you get there? The lake lies in the upper part of the valley, above Vals village. A mountain road leads from Vals to the parking area by the dam. In winter a walking route with views of the lake and Zervreilahorn operates here, and a gondola from Vals brings you to its start. Check current road conditions and transport timetables before you go, since both depend on the season at this altitude. What can you do at the lake? Walk by the dam and along the crest. A good short visit, with views of the dam wall and the water. Vals – Zervreilasee loop. The summer version is about 16.7 km with nearly 1,000 m of ascent, topping out at 1,995 m, according to Bergwelten. Allow around 5 h 45 min. Winter Panoramaweg. About 5.4 km with 240 m of climbing, roughly 2 hours on foot. Kronenwanderung, stage 6. The route leaves Zervreila, follows the lake and then the Valser Rhein valley up to Läntahütte at 2,090 m. It is about 10.4 km and takes around 3 hours. When should you visit? Summer and early autumn give the best hiking conditions, with trails free of snow. In winter the valley suits walks on prepared paths, but expect plenty of snow and short days. At nearly 1,900 m the weather changes fast, so pack a warm layer even on a clear day. Where to stay and eat? The nearest base is Vals, known for its thermal baths, with lodging and restaurants. The lake is a short trip from the village, so it pairs well with a longer stay in the valley. Frequently asked questions Are Ampervreilsee and Zervreilasee the same lake? Yes. Zervreilasee is the official name used in guides, while Ampervreilsee is a map variant. Both refer to the reservoir above Vals. Is the lake natural? No. It is a reservoir that formed after the Zervreila dam was completed in 1957, flooding the old settlement. How tall is the dam? It is 151 m high, and the crest is about 504 m long. Is it the same as Guraletschsee? No. Guraletschsee is a different lake near Vals. The reservoir described here lies deeper in the valley, below the Zervreilahorn peak.
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Marscholsee
Rheinwald
Marscholsee is a small alpine lake in the Swiss canton of Graubünden, sitting at 2,053 m above sea level near the San Bernardino Pass, in the Rheinwald area. It suits walkers who want high-mountain scenery without crowds or heavy infrastructure. Where is Marscholsee? The lake lies in the Lepontine Alps close to the San Bernardino Pass, the route that links the Hinterrhein valley (Rheinwald) with the Italian-speaking Mesolcina valley. Its coordinates are roughly 46.51° N, 9.17° E. The surroundings belong to a protected moorland landscape, and the name echoes the neighbouring Marscholhorn massif, also known as Piz Moesola. Some sources place Marscholsee alongside the name Lago Marschola and mention a separate small lake, Moesola, nearby. Check a swisstopo map on site to tell them apart. How do you get there? The pass is the natural starting point. The pass road is normally open from May to November. In summer, Postauto line 541 serves the pass area, and the village of San Bernardino has a large car park behind the youth hostel. From the village (1,608 m) an old road paved with Roman stones climbs to the pass: about 5 km, under two hours on foot and roughly 500 m of ascent. From the pass summit, the water is a short walk away. What will you see? A high-altitude lake at 2,053 m, framed by pasture and rock. Surrounding peaks, including Marscholhorn. The nearby Moesola lake, the source of the Moesa river. Stretches of Roman paving and a pass route used for centuries. The lake is stocked with brown trout, so you may meet anglers. Check local Graubünden rules and permit requirements before fishing. When should you go? Summer and early autumn are best, when the pass road is open and trails are clear of snow. Weather above 2,000 m changes fast, so pack a warm layer, a rain jacket and sun protection. In winter the pass is closed to traffic and any approach needs snow equipment and experience. What should you bring? Sturdy hiking shoes, water and a snack are enough. A restaurant operates at the Ospizio by the pass, but confirm opening hours first. According to tourism listings, the loop from San Bernardino village over the pass and back along the road takes about four hours, covering around 12 km with roughly 600 m of climbing. For longer outings, check the pass forecast, since summer afternoon thunderstorms are common in the Alps. Frequently asked questions How high is Marscholsee? It lies at 2,053 m above sea level. Which canton is it in? Graubünden, near the San Bernardino Pass. Can I reach it by public transport? In summer Postauto line 541 runs through the pass area; check the timetable before you travel. The last stretch is on foot. When is the pass open? The San Bernardino pass road is usually open from May to November. What lives in the lake? It is stocked with brown trout.
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Alteinsee
Arosa
Alteinsee is a high-alpine lake above Arosa in the Swiss canton of Graubünden, sitting at roughly 2,251 m. It occupies the Altein Tiefenberg plateau in the Strela range, south of the Aroser Stausee reservoir. Walkers who reach its shore get wide views over the surrounding peaks, and the lake is the reward of one of the valley's best-known day hikes. Where is Alteinsee? The lake lies high above the village, at about 46.75 N, 9.70 E. There is no road and no cable car to the water, so the last stretch is on foot along marked trails. Nearby highlights include the Altein waterfalls and the smaller Grüenseeli. How do you hike to Alteinsee? The classic route begins at Untersee in Arosa. It heads toward the hamlet of Isel, where you meet the Stausee reservoir, continues to Grüenseeli and then climbs to the plateau with Alteinsee. The way back passes the Altein waterfalls. This "four-lake" loop is about 15.5 km, close to six hours on foot, with around 950 m of climbing. Regional guides grade it anywhere from "a little challenging" to "difficult", so plan a full mountain day. A shorter option of roughly 12 km and five hours links the lake and waterfalls with a circuit around the Aroser Schiesshorn. Longer variants exist for fit, surefooted hikers. What will you see? A calm lake above 2,200 m, ringed by alpine pasture. Mountain views across the Strela range and the hills around Arosa. The Alteiner Wasserfälle, thundering on the ascent or descent. Three more waters along the way: Untersee, the Stausee and Grüenseeli, so one outing covers several lakes. If you still have energy on the Schiesshorn circuit, an optional side climb leads to the 2,431 m summit. When should you go? The trails are walkable in summer and early autumn, once the snow has melted. At this altitude weather turns quickly, so check the forecast in the morning and pack a warm layer, a rain jacket and proper hiking boots. In winter the area is a different proposition: it generally calls for gear and mountain experience, and many paths are not maintained for walkers. Frequently asked questions How high is Alteinsee? About 2,251 m above sea level. Can you drive to the lake? No. Only hiking trails lead there; the easiest starting point is Untersee in Arosa. How long does the hike from Arosa take? The four-lake loop takes about six hours (around 15.5 km). The Schiesshorn variant is roughly five hours and 12 km. Is the route easy? No. With about 950 m of ascent and a medium to hard rating in trail guides, good fitness is needed. What else is on the way? The Altein waterfalls, Grüenseeli, the Stausee and Untersee, plus peak views around Arosa in clear weather.
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Lej da las Culuonnas
Silvaplana
Lej da las Culuonnas is a small mountain lake on the Julier Pass, close to Silvaplana in the Engadine, canton of Graubünden, Switzerland. It sits a few metres south of the highest point of the road, at roughly the pass altitude of 2,284 m, at coordinates 46.470 N, 9.728 E. The name is Romansh, and you will also see it spelled Lej da las Coluonnas. What kind of place is it? The lake is tiny and lies right beside the road, so it works as a stop on the drive rather than a destination of its own. The setting is open high-alpine terrain above the tree line, with grassy slopes, rock and wide views along the pass. The Swiss Touring Club (TCS) names it, together with the Red Tower (Roter Turm), as one of the features that define the landscape at the top of the pass. The name points to the columns that stand beside the road nearby. What is there to see around it? The Julier Pass links Bivio in the Oberhalbstein valley with Silvaplana in the Engadine. Excavations at the summit uncovered a Roman sanctuary, and two columns belonging to it still line the road. A charter from 1396 already mentions a column as a boundary marker between the lands of the Bishop of Chur and the Counts of Werdenberg-Sargans. It fell and broke in the 16th century, and two of its drums were set up again in the 17th. The route was in use in Roman times. Coin finds and stretches of Roman road north of the summit and above Sils and Silvaplana show that traffic crossed here, though only with two-wheeled carts. Ski tourers know the neighbouring Piz da las Coluonnas as a winter objective. If you want another lake in the area, a hike from Silvaplana leads to Lej da la Tscheppa, a hidden lake on a route of about 12 km. How do you get there? Drive the Julier Pass road between Silvaplana and Bivio. From Silvaplana it is a short climb up the valley. Pull over near the summit and walk a few steps to the shore. By public transport you can reach Silvaplana, and regional services continue over the pass; check timetables before you travel. When should you visit? Summer and early autumn are best, when the road is dry and views are clearest. At over 2,200 m the weather changes quickly, so bring a warm layer even in July. In winter the area is under snow, and you should check road conditions on the TCS site. Frequently asked questions Where exactly is Lej da las Culuonnas? On the Julier Pass, a few metres south of the road summit, between Silvaplana in the Engadine and Bivio in the Oberhalbstein. Do I need to hike a long trail? No. The lake is next to the road, so you only stop at the pass and walk a few steps. What else is worth seeing at the pass? The Roman columns beside the road, the remains of the Roman sanctuary, and the Red Tower, which together with the lake shapes the pass landscape. How is the lake's name spelled? You will find both Culuonnas and Coluonnas. Both refer to the same lake in Romansh-speaking Engadine.
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Lej da Gravatscha
Samedan
Lej da Gravatscha is a small artificial lake beside the Inn River near Samedan and Bever in the Upper Engadin (canton of Graubünden, Switzerland). It sits at roughly 1,700 m above sea level and ranks among the valley's best-known birdwatching spots. The name is Romansh: "lej" means lake. What kind of place is it? The lake lies next to the Inn's channel and forms one piece of the wetland mosaic on the valley floor. The river changes pace here, splitting into side arms and leaving shallows, sandbanks and fallen deadwood. Shallow and deep water sit side by side, which is why so many species find a home in so little space. Swiss family-outing sites call it a bird paradise of the Engadin. Which birds can you see? Records for the nearby Inn wetlands run to roughly 180–210 species, most of them during migration. April and early May, the spring passage, are the peak weeks. Breeding birds mentioned for the lake include: the hoopoe, rare in much of the country but easy to spot here, the Eurasian teal, which finds good nesting conditions on the water, the tufted duck, which regularly raises chicks here, something few Swiss waters can claim, skylark, bullfinch and nuthatch. Binoculars are the one essential item. How do you get to Lej da Gravatscha? The easiest way is to take the Rhaetian Railway to Samedan or Celerina and walk across meadows and along the Inn. A marked route through the Samedan to Celerina wetlands passes fields, shallow ponds and the river. A campsite called Gravatscha operates in Samedan, and barbecue spots at the lake make it simple to turn the walk into a family picnic. When should you visit? Birders should come in spring, from April to early May. In summer the lake is a quiet valley stroll with Engadin mountains in view. At 1,700 m, mornings can be cool even in the warm months. What can you combine with the visit? The lake pairs well with a walk across the Inn plain between Samedan, Celerina and Bever. All three villages have railway stations, so you can start in one and finish in another without retracing your steps. The valley floor is flat, which suits a short, easy outing for families with children and for anyone who prefers to skip steep trails. Frequently asked questions Where is Lej da Gravatscha? Beside the Inn River in the Upper Engadin, near Samedan and Bever, at about 1,700 m above sea level. What does the name mean? "Lej" is Romansh for lake, so the name simply means Gravatscha lake. Can you barbecue there? Yes, the lake has barbecue spots that are popular with families. When is the best time for birdwatching? April and early May, during the spring migration. Hoopoe, teal and tufted duck are seen in the breeding season.
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Lago di Poschiavo
Le Prese
Lago di Poschiavo (German: Puschlavsee) is a lake in the Val Poschiavo, in the Swiss canton of Graubünden, right beside the village of Le Prese. It belongs to the municipality of Poschiavo, in the Italian-speaking south of the canton. What kind of lake is it? The water surface sits at roughly 962 m above sea level. The lake measures about 2.5 km from end to end, around a kilometre across, and covers just under 2 km². Maximum depth is quoted as 80 to 84 m depending on the source. The Poschiavino river feeds the lake near Le Prese and also drains it. It is a natural lake, and one account links its origin to a huge prehistoric rockslide that blocked the valley. Where is it and how do you get there? Le Prese (about 965 m) lies at the northern tip of the lake and Miralago at the southern one, so the two villages are bridged by roughly 2.5 km of shoreline. The Rhaetian Railway's Bernina line serves the valley, and the centre of Poschiavo is a short hop from Le Prese. By car, the road comes down the valley from the Bernina Pass side. What can you do here? The headline activity is the walk around the water, known as the Giro del Lago. The lower path starts in Le Prese and follows the shore, and you return along the opposite side. The route is flat and short, which makes it comfortable for families. Along the way you see forested valley slopes and the houses of both villages mirrored in the lake. When should you visit? Late spring to autumn is the easiest season, with dry paths. In winter the valley can be snowy, so check trail conditions before setting out. Allow one to two hours for the full loop, depending on your pace and how often you stop. Frequently asked questions Is Lago di Poschiavo a natural lake? It is natural, although some databases list it as a reservoir. According to one account, it formed when a rockslide dammed the valley. How deep is it? Maximum depth is about 80 to 84 m, depending on the source. Where should I start the lakeside walk? Le Prese on the northern shore is the most convenient start. Take the lower path to Miralago and come back along the other side. What is the lake called in German? Puschlavsee. Both names refer to the same lake.
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Lac de la Bayenna
Anniviers
Lac de la Bayenna is a small high-alpine lake in the municipality of Anniviers, in the Swiss canton of Valais. It sits at 2,546 m in the Val de Moiry, a side valley of the Val d'Anniviers, right above the barren ground left behind by the retreating Moiry Glacier. It suits hikers who want a real mountain setting without an expedition-length climb. Where is Lac de la Bayenna? The lake lies west of Lac de Châteaupré, a little higher up the same valley. The terrain is stark: bare rock, scree and fresh ground uncovered by the glacier. Its coordinates are roughly 46.102 N, 7.573 E. The nearest village of any size is Grimentz. How do you get to Lac de la Bayenna? The usual approach starts at the Moiry dam. A bus runs from Grimentz and you get off at the Barrage stop. From there a mountain path leads to Lac de Châteaupré, which is served by public transport, and from Châteaupré it takes about 30 minutes on foot to reach Bayenna. The lake drains into the Gougra river after about 800 m, slightly downstream near Châteaupré. Which trails pass the lake? Tour du Lac de Moiry (Chemin 2500) – a loop around the Moiry reservoir. The valais.ch listing gives about 13.4 km and just under five hours; other sources quote 14 km with roughly 840 m of ascent. The loop begins and ends at the dam crest. Col du Tsaté – the trail up to this 2,867 m pass into the Val d'Hérens also goes by the lake. Cabane de Moiry – a demanding full-day outing with around 1,850 m of climbing, forming part of a multi-day circuit. When should you go? At this altitude the paths are practical mainly in snow-free months, generally from late June to September. Check the forecast before setting out, since the upper sections are exposed and mountain weather turns quickly. Bring sturdy footwear, layers and water, as there are no refreshments at the lake. What else is there nearby? The Val de Moiry is known for its large dam and turquoise reservoir, and the higher ground gives views of the Moiry Glacier and the peaks around it. Grimentz offers old dark-timber chalets, accommodation and restaurants. Routes towards the Cabane de Moiry hut start from the same area. Frequently asked questions Can you drive to Lac de la Bayenna? No. Road and bus access ends near the Moiry dam or at Châteaupré; the remaining distance is on foot along a mountain trail. How long is the walk in? About half an hour from Lac de Châteaupré. A full outing from the dam takes longer, depending on the route you choose. How high is the lake? 2,546 m above sea level, so it can be cool and windy even in summer. Is the lake on a well-known loop? Yes, it lies along the Tour du Lac de Moiry (Chemin 2500) and on the trail to the Col du Tsaté.
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Lej da Staz
Celerina/Schlarigna
Lej da Staz (German: Stazersee) is a small forest lake in Celerina/Schlarigna, in the Engadin valley of the Swiss canton of Graubünden. It sits at roughly 1,809 m above sea level inside the Stazerwald woods, a short distance from Lake St. Moritz. Locals and visitors know it as one of the warmest swimming spots in the valley. What kind of lake is it? The lake is shallow, reaching about 4.7 m at its deepest, and ringed by spruce and larch. Its name comes from Romansh, the local language of the Engadin. The water is dark and peaty, and forest paths and picnic clearings surround the shore. Why is the water warmer than in other Engadin lakes? Because the basin is so shallow, the sun heats it quickly. In summer the water reaches about 20°C, while the bigger lakes of the valley seldom pass 17°C. That is why the shore gets busy on hot days. How do you get there? There is no road access for cars. You walk or cycle in. From the train stations in Celerina, Pontresina or St. Moritz it takes around 20 minutes by bike or 45 to 50 minutes on foot along a gentle forest track, which suits families too. What facilities are there? The shore has changing rooms, a jetty, a floating raft, toilets, a playground and fire pits. Lounge chairs and picnic spots on the grass are free; beach chairs carry a fee. A seasonal restaurant operates by the water. There is no lifeguard, so you swim at your own risk and children need constant supervision. When is the best time to visit? July and August on warm, sunny days are best for swimming, and the beach is open all day. Outside the bathing season the surrounding woods are good for walks and bike rides, and in winter the area turns into hiking and cross-country skiing terrain. What else is nearby? You can combine a visit with a walk through the Stazerwald towards Pontresina or a loop around the lakes of St. Moritz. Alp Staz is close by. The whole area belongs to the Engadin St. Moritz region. Frequently asked questions Can you swim in Lej da Staz? Yes. It is a recognised bathing lake, but without lifeguards, so swimming is at your own risk. Can I drive to the lake? No. The last stretch is covered on foot or by bike from Celerina, Pontresina or St. Moritz. How warm is the water? About 20°C in summer, warmer than the larger Engadin lakes, which rarely exceed 17°C. Are there toilets and food? Yes. The lake has toilets, changing rooms and a seasonal restaurant.
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Madseeli
Flums
Madseeli (also spelled Maadseeli) is a small alpine lake on the Flumserberg above Flums in the canton of St. Gallen, Switzerland. It sits at 2,188 m above sea level beneath the distinctive Spitzmeilen peak, right beside the Sardona World Heritage Trail and just above the Spitzmeilenhütte mountain hut. It makes a rewarding short detour for hikers who enjoy red rock scenery and a good photo. Where is Madseeli? The lake lies in the Glarus Alps within the Heidiland tourist region. Reddish Verrucano rock covers much of the surrounding ground, with gentians and saxifrage growing in the cracks. Spitzmeilen, at roughly 2,500 m, forms the backdrop. How do you get to Madseeli? The simplest approach starts at Maschgenkamm. Take the gondola from Flumserberg-Tannenboden up to the top station. From there a level path leads to the Zigerfurgglen pass, and a trail then continues via Calans towards the Spitzmeilenhütte. This stretch runs about 7.2 km and takes around 2.5 hours, with a high point of 2,111 m. Regional tourism sources specifically recommend the short side trip to the lake. You can also arrive from the other direction. Stage 2 of the Sardona World Heritage Trail leads from the Murgsee hut over the Wissmeilen pass, past Madseeli, to the Spitzmeilenhütte. Wegwandern.ch lists it at about 12.5 km and 4.5 hours, graded T2 (mountain hiking). What else is nearby? The Spitzmeilenhütte is a Swiss Alpine Club (SAC) hut, and a stop there is considered close to compulsory in the area. For a longer day, Bergfex describes a loop of about 18 km and 6 hours: from Maschgenkamm via the hut, Alp Fursch and Prodalp back to Alp Tannenboden. It is rated difficult. Why bring a camera? Red rock, still water and the Spitzmeilen skyline make Madseeli a regular stop for photographers on this part of the Flumserberg. Shots taken from the shore, with the peak reflected in the surface, work especially well. When should you go? Plan hikes at this altitude for months when the trails are clear of snow and the Maschgenkamm lift is running. Check current trail conditions and the hut's opening times before setting out, since route descriptions differ in length and duration between sources. Frequently asked questions Are Madseeli and Maadseeli the same lake? Yes. Both spellings of the name appear in the region's tourism material. How high is the lake? It lies at 2,188 m above sea level, above the Spitzmeilenhütte. Where is the easiest place to start? At the Maschgenkamm top station, reached by gondola from Flumserberg-Tannenboden. Is the hike hard? The walk from Maschgenkamm to the hut takes about 2.5 hours and peaks at 2,111 m. Longer loops in the area are rated difficult.
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Laaxersee
Laax
Laaxersee (Romansh: Lag Grond) is a small lake right in the middle of the village of Laax in the Swiss canton of Graubünden. Sitting at about 1,016 m above sea level in the Flims Laax Falera region, it works as the village's own bathing lake. What kind of lake is it? Laaxersee covers roughly 5 hectares and reaches a maximum depth of 5.5 m. It normally freezes over in winter. This is not a remote high-alpine tarn but a calm body of water beside the village houses. Laax is the main settlement of the Surselva region, and the lake is its landmark. The regional tourist board notes that the lake contributed substantially to the village's name. The earliest record of Laax dates to 1290/1298, as "Lages". What can you do here in summer? The lakeside bathing area offers: a large lawn with shade trees, a diving board, a beach volleyball court, a separate children's swimming area, a raft in the middle of the lake, a kiosk, a petting zoo for kids. It suits families well. Fishing is also possible, with the season running from 1 May to 15 September. What is the local history? The settlement grew only in the High Middle Ages, when free Romansh farmers cleared the land. Later, small trades operated along the Lag Grond shore, including a tannery and two dye works. Tourism arrived in the late 19th century: the Seehof hotel with a bathing facility opened by the lake in 1880. The resort's major boom came from the 1960s with the expansion of the mountain lifts. Where is it and how do you get there? The lake lies in the centre of Laax; the bathing area's address is Via Nova 62. Laax belongs to the Flims Laax Falera ski area and neighbours Flims, which has a longer tourism tradition. Reach the village by the regional roads of the Surselva, and check current connections on the Flims Laax Falera website. When should you visit? Come in summer for swimming, when the full bathing infrastructure is running. In winter the lake freezes and the village serves as a base for skiing. Opening hours and entry prices change by season, so consult the official regional site. Frequently asked questions How big is Laaxersee? About 5 hectares in area, with a maximum depth of 5.5 m. Can you swim in Laaxersee? Yes. There is a bathing area with a diving board, a raft, a children's zone and a beach volleyball court. Can you fish in the lake? Yes, the fishing season runs from 1 May to 15 September. Are Laaxersee and Lag Grond the same lake? Yes. Lag Grond is the Romansh name and Laaxersee the German one.
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Lake Hallwil
Birrwil
Hallwilersee, beside the village of Birrwil in the Seetal valley, is the largest lake in the Swiss canton of Aargau. Its southern tip reaches into the canton of Lucerne. The lake stretches roughly 8.4 km in length, measures up to 1.5 km across and drops to 47 m at its deepest point, with an average depth near 28 m. Where is Lake Hallwil, and what feeds it? The lake sits on the southern edge of Aargau, mostly within the Lenzburg and Kulm districts (about 47°17′ N, 8°12′ E). Its main inflow is the Aabach, which arrives from neighbouring Lake Baldegg. Birrwil and Beinwil am See lie on the shore, while Hallwyl Castle stands near the northern end. What can you do here? Walking the shoreline is the classic outing. The path runs through Birrwil and Boniswil to Hallwyl Castle; the stretch from Beinwil am See to the castle is about 8.3 km and takes around two hours. You can shorten a loop via Birrwil by taking a boat, operated by the local company Hallwilersee AG. In summer people swim and try water sports, and the quieter reed edges suit birdwatching. Are there rules to know? The lake is listed in the Swiss federal inventory of landscapes of national importance (BLN). Much of the shore remains undeveloped, and dogs must be kept on a lead inside the nature reserve. Stay on marked paths and keep clear of the reeds so nesting birds are not disturbed. How do you get to Birrwil? Birrwil lies in the Seetal, within reach of the main cities of northern and central Switzerland. Drive or use public transport from Aarau, Lenzburg or Lucerne; once there, walking or cycling along the lakeside roads is easiest. Check the ship timetable on the operator's website before you travel. When should you visit? Late spring, summer and early autumn work best: paths are dry, boats run regularly and the water is warm enough for a swim. Outside the season the lake is calmer and good for a long walk, though boat services are reduced, so confirm the schedule first. Frequently asked questions How big is Hallwilersee? About 8.4 km long, up to 1.5 km wide and 47 m deep at the maximum. Which canton is it in? Mostly Aargau; the southernmost part belongs to Lucerne. How long is the walk from Beinwil am See to Hallwyl Castle? Around 8.3 km, or roughly two hours on foot. Can I bring a dog? Yes, but in the nature reserve dogs must stay on a lead. Can I shorten the hike? Yes, part of the route around Birrwil can be replaced by a boat trip on the lake.
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Lake St. Moritz
St. Moritz
Lake St. Moritz (Lej da San Murezzan, St. Moritzersee) sits right beside the resort town of St. Moritz in the Upper Engadine, canton of Graubünden, Switzerland. It is the north-easternmost and smallest lake of the Engadine lake chain, at roughly 1,770 m above sea level. The town centre rises directly above the shore, so most visitors reach the water on foot. What kind of lake is it? The lake is up to about 44 m deep and lies along the valley route that links St. Moritz with the other Upper Engadine lakes. Smaller waters such as Champfèrersee lie nearby, while the larger Silvaplanersee is further up the valley. How do you get there? From St. Moritz railway station (Rhaetian Railway) it is a walk of a quarter of an hour or so down to the shore. Drivers can leave the car in the town's car parks and continue on foot, and local buses run in season. What can you do here in summer? A gentle path loops around the water. Official tourism pages give about 5 km and one hour on foot, while some guides quote around 4.3 km. It is nearly flat, which suits families, runners and relaxed strollers. The lake is also a wind-sports spot. The Maloja wind draws sailors, kitesurfers and stand-up paddlers. A sailing school operates here, and the St. Moritz Sailing Club rents sailing boats, rowing boats and SUP boards. The lake is not supervised and all activities are at your own risk, so take care when the wind picks up. What happens on the lake in winter? The surface normally freezes from December and stays icy into spring; Wikipedia lists the frozen period as December to May. The ice becomes an event arena: the White Turf horse races have run here since 1907, and polo is played on the frozen surface. Walking out onto the ice is one of the resort's most distinctive winter experiences. When should you visit? Summer (June-September): walking, sailing, SUP, kitesurfing. Winter (January-February): events on the ice, including White Turf, usually in February. Spring and autumn: fewer crowds, though some lakeside services may be closed. Frequently asked questions Can you walk all the way around the lake? Yes. The path is roughly 4.3-5 km and takes about an hour at an easy pace. How deep is Lake St. Moritz? Maximum depth is about 44 m. Can you rent a boat? Yes. The St. Moritz Sailing Club rents sailing boats, rowing boats and SUP boards, and the local wind makes it a good place to sail. Does the lake freeze? Yes, usually from December into spring. White Turf horse racing and polo are held on the ice.
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Steinsee
Innertkirchen
Steinsee is a glacial lake in the municipality of Innertkirchen, canton of Bern, right beside the road up to the Susten Pass. It sits at 1,934 m above sea level at the head of the Gadmertal valley, below the Stein Glacier. How did the lake form? The lake appeared after 1940. The Stein Glacier, about 4 km long, was retreating fast, and meltwater filled the basin its tongue had left behind. Today the main arm of the ice ends just beyond the water, in the high Steinalp basin. Runoff from the area drains into the Aare and on toward Innertkirchen. How do you get to Steinsee? The usual route goes through Meiringen. A Postauto bus runs from there to Innertkirchen and further up the valley to the Hotel Steingletscher stop, beside the Susten road at roughly 2,030 m. From the hotel and nearby car park it is a short walk to the shore. Drivers can also use a private, toll-charged road that gets closer to the lake; check the current fee locally, as it changes. The Gadmen to Goeschenen bus operates in summer only. What is there to see? The Stein Glacier spilling into the basin, with the milky, glacier-fed lake in front of it. The Steinalp pasture, with a cheese dairy and an educational glacier trail. Rock walls of the Urner Alps ringing the basin. Hotel Steingletscher, a handy base for multi-day hikes. Which hiking routes start here? A short stroll from the hotel to the lakeshore takes little time and needs no preparation. A longer option follows the old muleteers' track, restored in 1992-93, from Gadmen to Steingletscher (around 10 km, roughly four hours including the climb to the pass, with a possible detour to Steinsee). A two-day route links Innertkirchen with Hotel Steingletscher for an overnight stay. From the Susten Pass summit (about 2,260 m) a 21 km descent to Innertkirchen takes about 7.5 hours. When should you go? Come in summer, when the pass road is open and buses run. Mornings are usually best for viewing the glacier. At this altitude expect a cold breeze even in July, so pack a warm layer. Frequently asked questions Where is Steinsee? In the municipality of Innertkirchen in the canton of Bern, by the Susten Pass, at 1,934 m. Can you walk to the lake? Yes. The stroll from the Hotel Steingletscher area is short, while the trail from Gadmen is longer and follows a historic track. Is it a natural lake? Yes. It formed naturally after 1940 on ground uncovered by the retreating glacier. Can you reach it by public transport? Yes: train to Meiringen, then Postauto to Innertkirchen or directly to the Hotel Steingletscher stop in the summer season.
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Partnunsee
Luzein
Partnunsee is an alpine lake in the municipality of Luzein, in the Prättigau valley of Graubünden, Switzerland. It lies at roughly 1,868 m above sea level in the Rätikon range, tucked under the limestone cliffs of Sulzfluh and Schijenflue. The hamlet of Partnun, the last settlement at the head of the St. Antönien valley, sits just below it. What is Partnunsee like? The lake is small: about 3 hectares, around 410 m long and up to 35 m deep. It lies north-northeast of the village of St. Antönien. The water has a vivid green-blue tint, and on calm days the pale rock walls mirror in the surface. There are barbecue spots on the shore, and in summer you can hire a rowing boat for a couple of francs per person, payable by TWINT. How do you get to Partnunsee? The shortest approach starts at Partnun (about 1,760 m) and takes around 25 minutes on foot; from the Sulzfluh and Alpenrösli mountain huts it is roughly a quarter of an hour. Walking up from the PostBus stop at St. Antönien Platz takes about two hours, and from St. Antönien Rüti about 90 minutes. For a full day out, try the loop via the Carschina lakes, Carschinafurgga and Brunnenegg back to Partnunsee: about 12 km, around 5 hours 15 minutes, with a high point near 2,230 m. By public transport, take the Rhaetian Railway to Schiers or Küblis, then PostBus to St. Antönien. The Bus alpin continues to Partnun on limited dates and requires a reservation. In 2026 it runs daily from 27 June to 16 August and weekends only from 22 August to 25 October; bookings go through the Luzein municipality website. What else is there to see nearby? Above the lake rises Sulzfluh (2,817 m), a classic ski-touring objective in the Rätikon with a 360-degree summit view. The standard descent drops through the Gemstobel gorge back to Partnun. At Berghaus Alpenrösli you can rent a trottinette scooter and roll down to the valley. In winter a marked walking trail links St. Antönien Rüti with Partnun. When should you visit? Summer and early autumn are best: trails are snow-free and the Bus alpin runs most often. Pack a warm layer, since the air at almost 1,900 m stays cool even on hot days. In winter the area draws ski tourers and snowshoe walkers. Frequently asked questions How long is the walk from Partnun to the lake? About 25 minutes at an easy pace. Can you camp at Partnunsee? Camping and bivouacking are banned at the neighbouring Carschina lakes. Beds are available in the mountain huts and guesthouses at Partnun. Can you rent a boat? Yes, boats are available in summer and the fee can be paid by TWINT. How do you get there without a car? Take the RhB train to Schiers or Küblis, PostBus to St. Antönien, then the reserved Bus alpin to Partnun.
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Lake Sarnen
Sarnen
Lake Sarnen (Sarnersee) sits beside the town of Sarnen in the Swiss canton of Obwalden. It is the canton's biggest lake, with a surface about 469 m above sea level and an area near 7.5 km². Roughly 6 km long and about 51 m deep at its deepest point, it makes an easy, quiet stop in central Switzerland, not far from Lake Lucerne. Where is Lake Sarnen? The lake fills a glacier-carved valley between the Jänzi ridge to the northwest and the Arnigrat to the southeast. Much of the shoreline is flat, so reaching the water is simple. The municipalities of Sarnen, Sachseln and Giswil lie on its banks. The Sarner Aa river feeds the lake, flowing down from Lake Lungern, and carries the water onward toward Lake Lucerne. How do you get there? The Brünig railway line follows the eastern shore, so trains from Lucerne or from the Interlaken direction stop in the lakeside towns. Sarnen and Sachseln stations are a short walk from the water. By car, the road along the lake connects the villages, and each has parking near the waterfront. What is there to see and do? Shoreline walks. The level banks suit relaxed strolls and cycling, with views of the surrounding hills. Sarnen. The cantonal capital has a monastery and a tidy centre that works well for a short stop. Sachseln. Home to the Brother Klaus Museum, devoted to Switzerland's patron saint, and a basilica that draws pilgrims. Langis moor. This raised bog above the lake's left bank rewards nature lovers. Swimming. In summer the lake is used for bathing and relaxing. It is alpine water, so outside the warm months it stays cool. When should you visit? Late spring to early autumn is the most comfortable window: days are long and paths are dry. Early summer suits a swim, while September and October bring autumn colour for walks. Winter is quiet, with snowy peaks as a backdrop. Frequently asked questions Can you swim in Lake Sarnen? Yes, bathers and swimmers use it in summer. Access points are in the lakeside villages; check local notices about designated swimming areas. How long is a walk around the lake? The full circuit is fairly long, so many visitors pick one stretch, such as Sarnen to Sachseln, and return by train. Can I reach the lake by train? Yes. The Brünig line runs along the eastern shore and stops in towns on the lake. Is Sarnersee the same as Lake Sarnen? Yes. Lake Sarnen is the English name; Sarnersee is the German one used locally.
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Lagh de Calvaresc
Rossa
Lagh de Calvaresc is a small alpine lake above the village of Rossa in Val Calanca, in the Swiss canton of Graubünden. It lies at roughly 2,200 m, on the ridge that separates the Calanca and Mesolcina valleys. Seen from above, its outline resembles a heart, which is why hiking guides often call it the heart-shaped lake. Where is Lagh de Calvaresc? The lake sits in the range that runs from the San Bernardino Pass, on the border between two Italian-speaking valleys of Graubünden. The name is in the Lombard dialect, and tourist material also uses Laghet de Calvaresc and Lagh da Calvaresc. The usual starting point is Rossa, the highest village in the Calanca valley. How do you get there from Rossa? The main route begins in the village. A large car park stands by the bridge, and public transport serves Rossa. The official Graubünden tourism listing gives about 5 km, 2.5 hours of walking one way and around 1,130 m of ascent, rated medium difficulty. The path first climbs through dense conifer forest, then opens onto meadows near Alp de Calvaresc Sott. The toughest section is the climb to Alp de Calvaresc Sora at about 1,950 m. The rock can be wet there, and a chain fixed in the stone gives you something to hold. Can you approach from Soazza? Yes. The alternative starts at Soazza in the Mesolcina valley and passes Alp de Bec. It covers about 6.4 km in roughly 3 hours with around 870 m of ascent. The lake comes into view shortly after Alp de Calvaresc Desora. You can also arrive via Capanna Buffalora, the only staffed hut in this part of the valley, which stands between the lake and the Buffalora pass and is open from May to October. What will you see? The lake itself is small, but the setting is striking: stony slopes and high pastures all around. Climb a few minutes to the saddle on the left side of the shore. From there the water takes on its heart shape, and this is where most of the well-known photos are taken. What if you have more time? The lake lies on the Sentiero Alpino Calanca, a multi-day high-level route. Beyond it the trail climbs to Bocchetta di Calvaresc and continues to the Rifugio Ganan hut. The regional tourism office also lists a loop via Piz de Ganan of about 22 km, with over 1,600 m of ascent and a high point near 2,400 m. That is a day for experienced, fit hikers. When should you go, and what should you know? Summer and early autumn are best. Snowfields can linger at altitude even in midsummer, so check conditions before setting off. The route needs sure footing and a head for heights. Livestock in Val Calanca is protected by guardian dogs, so look at the dog-distribution map linked from the Graubünden tourism page. Carry water and a warm layer. Frequently asked questions How long is the hike to Lagh de Calvaresc? About 2.5 hours one way from Rossa, and about 3 hours from Soazza. Is the trail difficult? It is rated medium. The most demanding stretch is the wet rock with a fixed chain below Alp de Calvaresc Sora. Can you reach Rossa by public transport? Yes, there are public transport stops in both Rossa and Soazza. Rossa also has a large car park by the bridge. Where is the best place to see the heart shape? Walk a few minutes up to the saddle on the left side of the lake. The characteristic outline is visible from there.
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Lac d'Arpitettaz
Anniviers
Lac d'Arpitettaz is a high-mountain lake in the municipality of Anniviers, in the Swiss canton of Valais, at the head of the Val d'Anniviers. It lies at roughly 2,230 m above sea level, above the village of Zinal, surrounded by glaciers and 4,000 m peaks. It is one of the more approachable day-hike goals in this corner of the Pennine Alps. Where is the lake? The lake sits in a side valley above Zinal, at about 46.105 N, 7.644 E. The Weisshorn rises over it, and higher up on that mountain's western flank stands the Cabane d'Arpitettaz (2,786 m), a Swiss Alpine Club (SAC) hut. Meltwater from the Arpitettaz glacier and its neighbours feeds the streams running down toward Zinal. How do you get there from Zinal? Expect about two hours of walking each way. A full loop that includes the lake is around 11 km and takes roughly 4.5 hours. There are two main ways up: Along the left bank of the stream, heading toward the Cabane du Petit Mountet and then on to the lake. This is the calmer option and suits families with children. Along the right bank via the Pas du Chasseur, a shorter but harder route with a steep stretch secured by chains and ropes. The continuation to the hut is rated T3 (mountain hiking) by the SAC, with about 4.5 hours of climbing and around 1,180 m of ascent. What will you see? Above the water you can see the glaciers of the surrounding massifs, including the Moming and Blanc de Moming glaciers beneath the Weisshorn. The shore is a good spot for a picnic before heading back. If you want a longer outing, you can add the Roc de la Vache waterfall or continue to the hut. When should you go? The trails are mostly snow-free from July to September. Early in the season and after fresh snowfall, snow can linger higher up. Check the weather forecast and trail conditions, and confirm the hut's opening dates if you plan to eat or stay there. Anything else worth knowing? Zinal is the main base: from here routes also lead toward the Zinal glacier, which extends from about 2,000 to 3,450 m. Sources give slightly different heights for the lake (about 2,229 to 2,288 m), so treat the figure as approximate. Frequently asked questions Is the walk to Lac d'Arpitettaz difficult? It is a mountain hike, but the left bank of the stream is easy and popular with families. The Pas du Chasseur variant is the harder one. How long does the hike from Zinal take? About two hours to reach the lake, and around 4.5 hours for the whole loop. Can you stay overnight nearby? Yes, at the Cabane d'Arpitettaz at 2,786 m, which sits higher than the lake itself. When is the best time to visit? From July to September, when the trails are usually free of snow.
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Spaneggsee
Glarus Nord
Spaneggsee is a small mountain lake in the municipality of Glarus Nord, canton of Glarus, tucked into the hills above Filzbach and the Kerenzerberg. Its surface covers about 4.7 hectares, so it is a quiet alpine pond rather than a developed lake. There is no road to it. You arrive on foot, across pasture land dotted with alp huts. Where is Spaneggsee? The lake lies near Filzbach in the northern part of the canton, in the area of the Mürtschenstock massif. It sits on the trail between Talalpsee and the Mürtschenfurggel pass (1,840 m). Some route descriptions spell it Spanneggsee, and the nearby alp is called Talalp-Spanegg. Coordinates are roughly 47.075° N, 9.131° E. How do you get there? Most walkers start at the top station of the chairlift at Habergschwänd above Filzbach. From there an alp road leads in about 20 minutes toward Talalpsee and the Unterstafel huts. The path then continues via Oberstafel Spanegg to the lake. The stretch from Talalpsee up to Spaneggsee is steep, so wear proper hiking boots. What will you see on the way? You cross alpine meadows with cheese-making huts. The lake appears on several well-known routes: a day loop around the Mürtschenstock that passes above the green-tinted water of Spaneggsee and over the Mürtschenfurggel, a walk from Habergschwänd past Talalpsee and the Spannegger-Höhe, extended into a loop around the Glarner Fronalpstock, about 6.5 hours with some 1,190 m of ascent, the three-lakes stage of the Sardona World Heritage Trail, which passes Spaneggsee and continues over the Mürtschenfurggel and Murgseefurggel passes to Murgsee. When should you go? Because the lake lies high in the mountains, summer and early autumn are the best seasons, once the snow has gone. Check the weather forecast and the chairlift's operating times before setting out. The path to Talalpsee tends to be busier than the section up to Spaneggsee, which is calmer. What should you bring? Carry water, sun protection and an extra layer for changing weather. There are no shops on the route, and mobile coverage can be patchy. Download a swisstopo map or the SchweizMobil app for offline use. Frequently asked questions Can you drive to Spaneggsee? No. It is reached on foot, usually from the chairlift top station at Habergschwänd. How big is the lake? About 4.7 hectares, which makes it a small alpine lake. Can I combine it with other lakes? Yes. The trail links Talalpsee, Spaneggsee and, further on, Murgsee as part of the Sardona World Heritage Trail. Is the hike difficult? The first section on the alp road is easy, but the climb from Talalpsee toward Spaneggsee is steep. Full routes that add the Fronalpstock loop take around 6.5 hours.
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