Langsisa Ri. Koreans Oh In-Hwan and Park Young-Seok and Nima Tamang composed this small expedition. They approached via the Langtang Khola and set up Base Camp at 4300 meters on April 12. They put Advance Base at 4700 meters on the 13th and Camp I the next day at 5450 meters on the west face of the mountain’s southwest peak. On April 16, Park and Nima Tamang stood atop the southwest peak (6154 meters, 20,190 feet), having thought they were headed for the highest summit. On April 18, the same pair were back in Camp I and the next day pitched Camp II at 5800 meters on the south face of the main peak (6327, 21,086 feet). On April 20, the two left at 3:30, were on top at 11:30 A.M and back in Base Camp at 11:30 P.M.