To the right of La Coquille Creuse. Sitstart with the crack left hand and a high sloper right hand and exit directly with a mantle as for Monument de Font.
From the barrier at the car park follow Le Chemin de la Plaine de Chanfroy east for about 100m. Turn left and follow Chemin des Mariniers for about 80m. Turn right and follow this smaller path for about 150m. The boulder is about 50m to the left of the path.