L'Arche aux Deux Aiguilles (Two Needles Arch) is located along the primitive path of "Sangles des Arches" on Hauts de Chartreuse Natural Reserve (Regional Natural Park of Chartreuse) in Isère department of France. The opening has a measured height of 4.7 meters. IGN topographic map Top 25 number 3334 west La Chartreuse Sud (pleat B8).