Sarapo, West Face, 1980. Despite bad weather and poor snow conditions, Yves Astier, J.M. Boucansaud, Norbert Silvin and Baptiste Ouchick climbed the west face of Sarapo (6143 meters, 20,155 feet) by a 70° snow couloir on May 25 and 26, 1980. The couloir is to the right of the center of the face. They then climbed six new routes on limestone peaks of about 16,500 feet. The identity of these peaks is not clear.