Departure from the chairlift of the games, leave the station by the footbridge by following the track to join the Désert d'en Haut. From there, continue to go down the slope towards La Chaudanne. From this point, turn right and join Les Déserts by passing by the Baudronnerie. From Les Déserts turn left to reach Les Lières then follow Sous Chotion. There begins the path of the Butterflies. Continue in the direction of Sous Cotérieux then Mathoset. In Mathoset cross the bridge and take the direction of l'Ordière. Then follow the direction of La Chenalette. From La Chenalette take the track towards Les Traverses, then La Chaudanne. From there return to the starting point by the same route.