This mountain site isn't for beginners (flying or walking). You ave to know walking out of path!
Access
From Grenoble go to Villard-Bonnot village. Cross it and take the road to 'St Murry-Monteymond'. Cross the village and go to the end of the valley.
WEATHER
Be carreful of South wind in Belledonnes mountains. Usualy it's not a friendly wind.