Estany de Filià

Estany de Filià is a small glacial lake in the municipality of la Torre de Cabdella, sitting at 2,134 metres above sea level at the head of the Vall Fosca valley in the Pallars Jussà region of Catalonia.

Where is Estany de Filià located?

The lake lies southwest of the village of Cabdella, on the north-eastern slopes of the Tossal de la Costa peak. It holds the distinction of being the southernmost lake in the entire Pyrenees range, positioned at the headwaters of the Noguera Pallaresa river. Its remote high-mountain setting means reaching it involves a hike up from the lower valley.

How big is the lake?

Estany de Filià is modest in size: it covers roughly 1.8 hectares and reaches a maximum depth of 5.5 metres. Given these dimensions, it is noticeably smaller than several other lakes in the surrounding area, making it a quiet, intimate stop along a mountain route rather than a headline destination in itself.

What is Vall Fosca, and why does the region have so many lakes?

The municipality of la Torre de Cabdella is known to visitors as Vall Fosca and comprises 19 villages spread across altitudes from 800 metres (Pobleta de Bellveí) up to 1,420 metres (Cabdella). The valley's headwater area is a landscape of glacial cirques — Filià, Riqüerna, Rus and Estany Gento — that together hold more than 30 lakes. Estany de Filià is one of them, a good example of the alpine terrain shaped by past glacial erosion that defines this part of the Pyrenees.

What should visitors know before heading to Estany de Filià?

Because the lake sits well above 2,100 metres in an exposed high-mountain zone, weather can turn quickly and snow can linger on the approach trails late into the season. Given the altitude and isolation, it is worth allowing enough time for the hike in and checking current trail conditions before setting out. This is a destination suited to hikers prepared for high-mountain terrain who want to experience a wilder, less-visited corner of the Pyrenees.

Frequently Asked Questions

How high up is Estany de Filià? The lake sits at 2,134 metres above sea level.

How large is the lake? It covers about 1.8 hectares with a maximum depth of 5.5 metres — a small body of water compared to other lakes in the region.

Where exactly is Estany de Filià relative to Cabdella? It lies southwest of the village of Cabdella, on the slopes of Tossal de la Costa, at the head of the Vall Fosca valley.

Are there other lakes nearby? Yes. The head of Vall Fosca contains four glacial cirques (Filià, Riqüerna, Rus and Estany Gento) holding more than 30 lakes in total, making it one of the richest concentrations of high-mountain lakes in the Pyrenees.