Park in the car park in the village of Trézanne.
(S/E) Head north, following the track which winds gently up to the Col de Papavet.
(1) Take the good path on the left which, along the ridge and then through the forest, joins the track to reach the Col des Pellas.
(2) Take the path on the left and leave the track climbing up from Les Pellas on your right. Join it after a hairpin bend and continue along the path on the left to reach the entrance to the village of Les Pellas.
(3) Continue along the track on the left which joins the D8a. Take the track that starts on the left to reach the large car park at the Parcours Aventure site.
Follow the site and, shortly after, you will reach a crossroads.
(4) Take the track/path on the left; this is theGRP® Tour du Mont Aiguille. The slope gradually becomes steeper. You will reach another crossroads.
(5) Continue to the left and, after two large hairpin bends, you will reach the scree slope before the Col de l'Aupet.
(6) Leave the path leading to the Pas de la Selle on your right and take the long descent into the forest on your left. After numerous hairpin bends, you will reach the picnic area before Richardiére. Turn left and cross the village.
(7). Stay on the D7b for about 500 metres, then join a path leading off to the left at the pumping station.
(8) Take this path, which is signposted Tour du Mont Aiguille.
Above the village of Ruthière, join the Grande Traversée du Vercors (GTV) trail.
(9). Take it on the left, and shortly afterwards you will reach the forest and, after a slight climb, the Ruisseau du Mont Aiguille (often dry).
(10) Join a forest track, turn right and continue eastwards until you reach the D7c.
(11) Take it on the left and, about 500m further on, you will reach the car park (S/E).