To the right of the roof, in the middle of the slope, 80m to the North-West of Plastique Fantastik, in the sector Arcades. Sitstart on the rightt and exit by a mantle on the left.
From the parking lot of La ferme du Montrouget, pass the main sector, take Le Chemin de la Roche qui Tourne (GR) for 40m to the East and follow a small path up the slope to the South for 150m. The boulder is on the West side, in the middle of the slope, on the right face of a big roof.