Traverse on a boulder with holes, completly West on the South side of Long Rocher, along a small path on ridge leading to plateau, see map. Sitstart right, pass angle and finish at the end of second face.
The quickest access is to park at the edge of the forest at the end of the Montigny-sur-Loing cemetery (Vallée aux Châtons), follow the Route du Croc Marin towards the North until its intersection with the Route de la Grande Vallée (400m), the boulders are then visible above.
