Avoid leaving the paths and keep your dog on a leash from April to July.
On an isolated boulder in the North part of the sector. Sitstart in the overhang and exit diagonally to the right (7a exit by Max between the two boulders, for thin people only!)
From the parking lot of Le Guichet, follow the Chemin de Milly à Melun, and turn left on the GR11 (in direction of the D372). The boulder, easily visible in winter only, is on the left on the middle of the slope.
