This small sector has been explored only recently. Access: park the car along La Route Ronde at the parking lot of Carrefour de la Croix de Franchard. Follow La Route du Mont-Aigu and then the GR 11 up to La Route du Rondelet. After a few meters, take to the left the variant n°8 of the blue path, leaving the GR 11 and the variant n°8 on the right. The first boulders appear on the left after a short but steep slope (1100m from the parking lot).