Aigualluts is a

karst Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant ro ...

formation and waterfall in the Province of Huesca, northeastern Spain. It lies along the

Ésera River The Ésera (), is a tributary of the Cinca in the High Aragon. It is part of the valley of the Ebro and its drainage basin. Its etymology is Celtic and it is cognate with several European rivers: Isar, Jizera, Isère, Isel, IJssel, and Eisack ...

, at 2074 m above sea level on Pico Aneto.

Description

A walk of just an hour and a half in total duration, essential for anyone who travels to the

Benasque Benasque (; in Benasquese dialect: ''Benás''; an, Benás) () is a town in the comarca of Ribagorza, province of Huesca, (Spain). It is the main town in the Benasque Valley, located in the heart of the Pyrenees and surrounded by the highest p ...

Valley for the first time, being probably the most visited place in this valley. The Forau de Aiguallut is a chasm through which the waters from the Aneto glacier disappear to resurface again in the Val d'Aran, in the Garonne river basin, which flows into the Atlantic Sea in the French city of Bordeaux. Before its disappearance, the waters coming from the

Aneto glacier The Aneto glacier ( Aragonese: Glaciar d'Aneto, Spanish : ''Glaciar del Aneto'') is a glacier located on the northwestern flank of Aneto in the Pyrenees. It is the greatest glacier in the Pyrenees and the Iberian Peninsula and the 8th southernmo ...

flow into the great meadow of the Plan d’Aigualluts, where it meanders in small meanders until it falls through the colorful Aiguallut waterfall which flows directly into the great chasm of Aiguallut.

References

Geography of the Province of Huesca Waterfalls of Spain Landforms of Aragon {{huesca-geo-stub