The valley is home to the highest peaks in the range, those of Monte Argentera (3,297 m). Its territory is divided between the municipalities of Entracque, Roaschia, Valdieri and Roccavione. Nearby valleys include the Valle Vermenagna, the Tinée valley in France and the Valle Stura di Demonte. After Valdieri, the valleys divided into two sub-valleys known as Valle Gesso di Entracque and Valle Gesso della Valletta.