In the North face, above the blue path, near the character "S". Start slightly left at a crack and exit in the belly above stones on the ground.
Park the car at Le Carrefour du Rocher aux Nymphes on the D58, follow La Route de MĂ©dicis for 800m, take La Route de la Fanfare in the slope, up to find the blue path on the other side of the crest; the boulder is 80m to the left.