Park in the small car park on Chemin de Pied de Bœuf.
(S/E) Take the forest path towards the gas pipeline trail.
(1) Turn left at the three-way junction and join the track.
(2) Turn left and follow it to a crossroads a few metres after a control station.
(3) Continue straight ahead, leaving the path on your right, which you will take on the way back. Follow the gas pipeline track to a four-way junction.
(4) Turn right and follow the forest path, making sure to keep going in the same direction.
(5) Take the path on the left that descends to Lac du Carnier.
(6) Turn around.
(5) Turn left and walk for about 250 metres.
(7) Turn right. Join the high-voltage power line and follow it to the right, then leave it by turning left to make a circular route before joining the gas pipeline track.
(3) Follow the track to the left.
(2) Turn right.
(1) Continue right to return to the starting car park (S/E).