Le Plat Fou - 7a Gillevoisin
Cyril Bottollier, Nicolas Blaise Traverse, Roof
sector Gillevoisin, in the roof 20m to the right and above Sitting Bull. Traverse to the left under the overhang as for Le Plat Fou du Fond, return at the angle by following the lip of the overhang and exit to the right. Access : from Chamarande, follow the D146, park in front of the alley of the castle of Gillevoisin and take a small path for 80m behind a roadmen's cabin.