Marking : Departure Signs are in place in the villages near the car parks and the places open to the public. To follow your itinerary, poles are in place at the junctions and identifiable by a sign with the name of the walk and the altitude. Between two poles, you will find marked sign made with painting all along the way, it indicates if you must follow the path or not. Pay also attention to small signs to guide you. We recommend to have the map Promenades et randonnées en Chartreuse" with you.

Admission fee : Free of charge.

Opening : From 01/05 to 30/11. Subject to favorable weather.

Step by step description : Start this hike is the car park near the campsite. Follow the purple signs. (1) Take the road towards «Forêt domaniale de Rocharay». The road turns into a track. (2) At the yellow sign «Source de l’écuelle alt 740», take the path on the left, still in the direction of the «Forêt domaniale de Rocharay». Do not hesitate to have a look at the stream of l’écuelle (10 minutes to go and come back on yourself). Keep following the way down in the forest, the path is narrower. (3) At the junction, take the path that goes on the right and then on the left. A nice way up leads you to a forest track known as the «Chemin de Pourcy». Once you get on a platform, the way is on your right. It crosses the woods and meets a wide track. Take left. (4) You reach a junction with a marker n°12. From here, you can go to a nice point of view at the «Brosses» (back and forth of 10 min), where you can admire the Grande Sure, and even have a glimpse of the Vercors. Back at the marker, take the path going down on the right. Enjoy a nice way down on a limestone track. (Be careful: when the ground is wet, it is very slippery). At the same time enjoy the fountain of Pourcy. (5) After this steep way down, let the main track to take a small path which goes up on your left. Enjoy this rocky atmosphere. Do not miss the Grotte des Réfractaires. Find a wide track bringing you to the Pont de Pierre Chave. If you want, you can admire the bridge (10 minutes to go and come back on yourself). Back at the sign, go straight ahead through the hamlet of St-Roch (be careful: itinerary on the road). (6) After the chapel of St-Roch, take the path on your left going in the forest. (Here you should follow the green signs). After a quick way up and down, at the junction, near the basin, take the path on the left. When you reach the road, take right to find the car park.

Area : Cœur de Chartreuse