Car park in the commune of Saint-Colomban-des-Villards.
(S/E) From the car park, head towards the remarkable lime tree. Turn left onto the Chemin Pierre Bozon opposite the remarkable tree next to the town hall.
Follow this path, cross the small wooden bridge and continue straight on. Pass the hamlet of Les Granges Neuves and arrive at the green bridge in the hamlet of Les Roches.
(1) Do not cross the bridge; instead, turn left and follow the main road towards the D927.
(2) Carry on along this road to reach the car park next to the Tourist Office (S/E).