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Just on leaving Saint-Disdier coming from Pellafol, turn right onto a small road towards Truchière, then right again towards Le Mas. The car park is at the entrance to the hamlet.
(S/E) Follow the road that runs above the houses for about 200m, then turn left. There are paint markings. Climb up the slope onto a curious large limestone slab. On the left, there is a charming little chalet on stilts. Basically, keep climbing straight up, following the small cairns and occasionally the paint markings, until you reach the top of the slab.
(1) Turn right and stay on this path to reach a three-way junction.
(2) Stay on the left-hand path and you’ll soon reach the multi-way junction at Pierre Baudinard, where there’s a hut.
(3) Here you have two options:
- for those prone to vertigo or other issues, it is recommended to take the Vallon du Mas straight ahead,
- for everyone else, turn right at a 90° angle and climb up a faint path to reach a clearly visible notch.
(4) You will emerge here onto a large grassy ridge and begin the ascent via numerous switchbacks leading to the Crête des Samaroux.
(5) Follow the ridge along its line. Nothing too extreme, but the drop-off becomes more visible.
Reach the Tête de Lapras.
(6) Begin the descent, following a few hairpin bends to reach the Col de Lapras.
(7) Continue the descent to reach the entrance to the Combe de la Prison, then head for a small pass, heading north-west. This is the Col du Courtet. Turn north onto the slope with short hairpin bends and reach Le Nid; if the weather is fine, it offers a superb view.
(8) Return to the Col de Lapras.
(7) Continue straight ahead to begin the descent into the Vallon du Mas via a beautiful notch. The start is a bit steep, but a faint track through the scree leads to the main valley.
(9) Carry on until you reach a sort of terminal moraine that blocks the way. Keep to the right to avoid climbing too far back up and push on to reach the Roche Baudinard junction.
(3) Here again, there are two options:
- retrace your steps along the path you took on the way up to return to the car park at the hamlet of Le Mas (S/E),
- choose to descend partly off-trail (as shown on the map), following the natural course of the valleys below the hut and heading due east. You will then return to the initial junction you passed on the way out.
(1) Follow the same route as on the way there to return to the car park at the hamlet of Le Mas (S/E).
Visorando Member
Very difficult 
Association / Club / Walk leader
Easy 
Moderate 
