In 1980 Toyo University Alpine Club, from Japan led by Kenshiro Ohtaki. The other members in the team Kimimasa Miwa, Mutsuo Ominato, Fumihide Saito, Yoshiharu Ohta and Junichi Endo. On October 18 camp I set up at 15,425 feet. On October 20 They set up Camp II at 16,075 feet below the south ridge of Chaturangi. On October 22 Camp III at 19,000 feet. On October 27 Miwa, Ominato and Ohta starting at seven A.M. in the morning and reached to the summit at three P.M. On October 29, Ohtaki, Saito and Junichi Endo also reached the summit at 1:35 in the afternoon.