Located in the north of the Pyrenees, it comprises a small valley of 4,150 hectares, with altitudes ranging between 900 and 2,750 meters. The rocks are mainly granitic and schistose, and have suffered the erosive action of glaciers over time.

In the high mountain ecosystems, other species of fauna are found, such as the golden eagle, the white partridge, the capercaillie, the woodpecker, the jay, the white-breasted blackbird, the raspinell and a significant density of chamois.

The vegetation is also very diverse, and we can find the red marcòlic and the white androsace