This double natural arch is located on Combe de l'istier on the side of Plateau de Bure on Devoluy massif in Hautes-Alpes department of France. The upper entrance of the main opening has an estimated diameter about 12 meters. Access to the arch required specific mountaineering material to down climbing exposed section. The author would like to thanks Pascal Sombardier and Patrick Adam for their help about the trip to the arch. Note them on the photos for scale. IGN topographic map number 3337 west Devoluy pleat H3.