Start from the Plan de l’Arc car park.
(S/E) Head north and cross the leisure area towards the start of the Plan du Repos chairlift.
(1) Pass the lower chairlift station on your left and follow a wide, downhill track suitable for vehicles.
(2) Pass the Putéruit chalets on your left and take a sharp right-hand bend. Then take a sharp left-hand bend and you’ll reach the Torrent des Moulins.
(3) Cross the bridge over the torrent and follow a balcony path heading south-south-west. Pass in front of an EDF building.
(4) At the junction, turn right (due south) onto a path leading downhill.
(5) Cross a stream via a footbridge and walk past the Petit Bois chalets.
(6) At the junction, turn right and walk through the hamlet of Le Vaz. Pass a chairlift line. Shortly afterwards, cross the Torrent des Moulins, follow the switchbacks uphill and pass under the chairlift line.
(7) At the junction, follow a path running along the hillside to the right. Pass under the chairlift line again. Take a hairpin bend to the left, then another to the right. Do not pass under the chairlift line again; follow the signs for La Rosière – La Devanchaz.
(8) At La Devanchaz, follow a track suitable for vehicles to the left. At the next junction, under the chairlift, turn right and you’ll return to the Plan de l’Arc car park (S/E).