250m past Voilà l'Hiver and 400m past La Route du Rocher Brûlé. Sitstart with both feet on the boulder in the back as for Acculé, traverse to the right and exit on the prow as for Hallali (rallongé).
From La Roche Acléaude, follow the track on the ridge to the East, the boulder is clearly visible on the left, just before the intersection with La Route de l'Hallali.