This quadruple arch is located on Plateau d'Ambel near the mountain hut of Tubanet on Vercors Regional Natural Park in Drôme department of France. The largest opening has an estimated span about 7 meters. Only three openings are visible on the photo.
Scialet is the local name for Swallow hole in this area. Photo taken early in spring when snow and ice trapped at the bottom of the well are still present. The
Scialet is located by black dot on IGN topographic map Top 25 number 3136 east Combe Laval (2016).
