K7 Attempt. Japanese led by Masayuki Hoshina made an attempt on K7 (6934 meters, 22,750 feet) by way of the 17,000-foot west col. They approached from Hushe via the Charakusa Glacier, where they established Base Camp on May 27. They fixed some 5000 feet of rope. The expedition reached a little higher than 20,000 feet.