From Modane, head towards Aussois via the D215. In Aussois, leave the D215 and take the Route des Barrages (D108). Pass Plan d’Aval on your left and continue uphill to the Plan d’Amont car parks. Park in the car park furthest to the left of the dam.
DAY 1
(S) Take the path that runs along the left-hand side and overlooks Lake Plan d’Amont. Continue along the ascending path to the end of the lake at the Pont de la Sétéria.
(1) Cross the bridge and take the path that climbs to the left. Pass to the left of the Sétéria mountain pasture and continue climbing, keeping to the left at all times, until you reach the Chapel of Notre-Dame des Anges. Continue climbing along the path, passing in front of the Fond de l’Aussois mountain pasture, then arrive at the foot of the Fond de l’Aussois mountain hut.
(2) Continue climbing steeply along the path beside the Saint-Benoit stream (2,625 m).
(3) Climb, following the cairns, to a wayside cross at 2,878m.
(4) Continue climbing to the Col d’Aussois, following the cairns between the snowfields (2,914 m).
(5) Begin a steep descent, following the cairns between the snowfields, to the footbridge over the Ruisseau de Rosoire (2,381m).
(6) Continue down this path, keeping to the left. Pass the Rosoire chalet on your left and continue along this path, keeping to the right, to climb up the slopes of the Crête d’Argentine.
(7) Continue along the path northwards then eastwards beneath Pointe Ariande to descend into the Vallon de la Motte until you reach a three-way junction after a footbridge.
(8) Turn left and keep left as you descend alongside the Ruisseau de Travers to a three-way junction.
(9) Turn right and continue downwards, keeping to the left, until you reach the Montaimont farms.
(10) Turn left and continue downhill to La Motte and the Roc de la Pêche refuge (E).