If you come from Lyon or Marseille
- Highway Valence Sud (from Lyon) or Loriol (from Orange)
- Go towards Crest, road D111 (from Lyon) or D104 (from Orange)
- Go towards Die, road D93
- Go through Die, continue towards Gap
- In Pont-de-Quart, turn left. Follow road D539 towards Châtillon-en-diois
- Before arriving in Châtillon, turn right on road D69, towards Menglon/Luc en Diois, in the artisanal zone of Guignaise