L'Arche de la Tête en l'air is located at the base of the west face of the famous Mont-Aiguille (Needle Mount) near Col de l'Aupet (Aupet pass) on Regional Natural Park of Vercors in Isère department of France. The opening has an estimated height of 5 meters. IGN topographic map Top 25 number 3236 west Villard-de-Lans pleat K3.