Van 17/06 tot en met 17/09, iedere dag.
Van 18/09 tot en met 10/06, iedere dag.
Access by car : from the car park of Le Désert en Valjouffrey (Valjouffrey town)
Access by public transport : from Grenoble Transisère 4100 until La Mure/Ganterie, then 4120 until Entraigues, then bus VFD until Valjouffrey (only on Mondays and Wednesdays)