Day 1: From Mappaz, follow the road until Saint Guérin dam, you can cut across a turn above the Ami. Follow the road towards Cormet d'Arèches which descends 20m of HD. At Darbellay chalet, after the stream, cut across the turns by following the general route of the road to spot elevation 1822m. Follow the road until Lac des Fées. Leave it and continue completely south by following the summer trail to reach the road at spot elevation 2064m. You then reach Cormet d'Arêches by following the road.  From Cormet, come back down the Tarentaise slope with 50m of HD going completely east until Coire refuge (2059m).

Day 2:  Climb to Cormet d'Arèches and follow the croup towards the northeast in the direction of the shepherd's cross. Pass point 2289, then Plan de la Marmotte. Traverse towards the east over level ground until just after to point 2271 to approach the southern slope that you go up as best as possible depending on the conditions, in general via a croup until under the summit (small pass). Go up the steep but short end slope on skis or on foot depending on the condition of the snow. It takes 1h30 to 2h.

Descent: From the small pass, descend to the west until a flat area (2410m). Then descend completely north until the base of the small cirque dominated by the Col des Meudes (S3). Descend the following slope (west) while pulling to the right to primarily follow the track of Avals high mountain pasture. Continue on the gentler slope softer until the ascent route to Chalet du Darbellay (1645m). go up the road (20m of HD, 750m of pitch, in sliding steps for the competitors) and then descend the ascent route via the road. It takes 1h to 1h30.

Variant: this tour can also be started from Granier en Tarentaise: follow the road until Cormet d'Arêches. It can also be carried out in a day.