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District:
From Pralognan, take the road that leads to the Val du Doron de Chavière. Park at Les Prioux (1,171 m).
(S/E) The route starts with an uphill climb on a track heading north. Cross this small hamlet where you will find the Refuge de Repoju.
(1). Continue climbing.
(2) At the exit of the hamlet, on the left, a first path climbs to the end of our outing, do not take it, it is the return path. Continue down the track. Reach the Pont du Diable crossroads.
(3) Take the path that climbs to the left (towards Petit Mont Blanc, forest path). Climb the switchbacks through alpine pastures, then gypsum areas. Some exposed sections may be difficult, as well as the sections marked out on the rock (these sections are equipped with fixed ropes for safety). Depending on the season, you can observe a rich variety of flora. Pass by the balcony above the Chavière valley, then at the Col du Grand Béchu. After this passage, rejoin the classic trail that climbs directly from Prioux (this is where the "difficult" part ends). At this point, a false sign indicates the Cabane du Mône and its altitude. This is incorrect and the Cabane is located about 40 m further downhill.
(4) The route from this crossroads is of medium difficulty. Now climb to the right towards the Col du Mône (2,533 m). A few steps further on, on the left, you will find an old route that runs parallel to the new one, which is more of a shortcut. This old path is now covered with grass, but makes the climb to the pass easier.
(5) From the pass, take the path on the right that leads to Petit Mont Blanc, the upper part of which is covered with gypsum kilns.
(6) For the descent, start by taking the same path to the Col du Mône and then to the junction with the path leading up to Les Prioux.
(4) Head straight towards an alpine hut. Descend to a crossroads at an altitude of 2,120 metres.
(7) Take the Prioux trail on the left (be careful not to take the trail facing you, towards Pont de la Pêche). The route continues in a series of hairpin bends until you reach the junction with the track you took at the very beginning.
(2). Turn right, pass through the hamlet of Prioux, then return to the car park (S/E).
Visorando member
Moderate 
Very difficult 
