54 km south of Grenoble: in the direction of Sisteron, take the A51 motorway, then the RD 1075 (RN75) road; before Clelles, take the D7: Chichilianne. Access from the Rhône valley via Châtillon en Diois (Drôme Department), then the Col de Menée pass (in summer). SNCF train station in Clelles 4 km from Chichilianne, Grenoble / Veynes / Gap line.