Access by car via the Chemin de la Guerre from Oyonnax to Lac Genin, with parking available before the barrier (which may be open or closed).
(S/E) Continue to a three-way junction where there is a wayside cross.
(1) Take the path on the left and enter the woods. Pass a spring on the left. Continue until you reach a path junction on the left.
(2) Continue straight on (south) until you reach the bottom of a slope. Climb up a path (the only difficult part of the route). Further on, pass a path junction on the right and you will soon reach a crossroads.
(3) Turn right, leaving the sign for “Lac Genin” on your left. Turn right at the end of a low wall. You’ll come to a very easy path. After a short descent, you’ll reach a junction of paths.
(4) Turn right and continue straight on until you reach the crossroads by the wayside shrine.
(1) Turn left to return to the car park (S/E).