Park in the car park at the bottom of the Col d'Ibardin ventas, below the tourist office.
(S/E) Go through the barrier prohibiting access to four-wheeled vehicles and follow the DFCI track for about 2 km. You will reach a clearing, ideal for resting or picnicking.
(1) Continue straight on to the dam, signposted.
(2) Turn back towards the clearing.
(1) Turn right to take a detour to the lake (signposted) via the DFCI track. After a descent, you will arrive at the lake shore: a beautiful viewpoint but swimming is prohibited. You can also picnic here.
(3) Return to the clearing.
(1) Turn right to retrace your steps and return to the car park (S/E).