Lahul Himalaya. Capt. R. G. Platts and Mr. N. W. Wollaston spent six weeks in this region in August and September 1954. From a base camp in the Sissu Nala they climbed Peak 18,930 feet, eight miles southeast of Kyelang. From a 17,000-foot camp on September 4 they reached the summit of Gepang Goh (19,259 feet).