From the Campsite, take the first road on the right to the Messiaen lookout point, then go left and back down towards La Fayolle. When you reach the intersection with the “La Fayolle” trail, continue on the road then take the first track on the right which leads to Cholonge. At Cholonge turn right towards Les Vorges, then take the uphill track off to the right towards Les Pré Dessous, then Les Troussiers. Just below Les Troussiers, follow the signs to Pré Sabot, then Les Cordeliers. At Les Cordeliers, head for Pierre-Châtel via the Canal du Moulin and Le Sarret. From Pierre Châtel Church, head uphill towards the cemetery, and to Picardon and Ventafau, until you reach the ridge at Le Bouchet. Follow the ridge to the Col du Crey pass, then go back downhill via Les Gonthéaumes and Pétichet. Cross the RN85 to reach the road back to the Campsite.
Equipments : Picnic area, Public WC,

Admission fee : Free access.

Opening : All year round. Subject to favorable weather.

Services for cyclists : 1 bike rental outlet can be found at the departure point (Ser-Sirant Campsite).

Area : Matheysine