This double arch is located on the rock called "Le Dromadaire" (Camel Rock) below the cliff of "rochers de Belles Ombres" on natural reserve of Hauts de Chartreuse" in Isere department of France. The largest of the two opening has 2 meters span. On the photo, the dromedary has his head hidden on a pine tree. IGN topographic map number 3333 west Chartreuse pleat D8.