In the slope, on the left of La Route de la Butte aux Aires, 50m underneath L'Étrave (yellow n°5). Standing start with a crimp left hand and the ledge right hand and exit with a pocket right hand.
Follow La Route de la Butte aux Aires for 50m from the parking and go up the slope to the left of Premier de Corvée. The boulder in on the left of a small valey, 50m under the crest.