Access: arriving from Hagetmau via the D18, Route de Monségur, take the path on the left marked "Lac d'Agès", Chemin du Château d'Agès. Use the car park at the foot of the dam.
(S/E) Head north with the dam on your right.
(1) Take the ramp path on the right to reach the lake and follow it.
(2) Power station (solar panels). Continue along the lake. Once you reach the road, turn left twice to follow the banks on the other side.
(3) Take the direct passage (beware of possible flooding).
(4) Walk along the dyke and turn left at the end of it.
(1) Turn left to return to the car park (S/E).
- Once at the lake, follow the path around it either clockwise or anticlockwise.
- The path is well marked.