Diran Attempt. On June 16 Kunio Asai, Dr. Isao Ogasawara, Miss Kazuko Ono, Eiichi Kurihara, Kikuo Okayasu, Kunihisa Otsubo and I reached Base Camp on June 16 from Minapin in two days. We attempted the unclimbed north ridge. We placed camps at 12,375, 15,550 and 17,625 feet. Bad weather forced us to give up the climb at 5770 meters (18,931 feet) on July 4.
Kazutaka Kobori, Arcturus Suginami Club, Japan