Gangstan, 1977. Shigeo Suzuki led a four-man Japanese expedition which climbed Gangstan (20,215 feet). From Manali they traveled for three days up the Billing Nala to Base Camp at 13,775 feet. Advanced Base was established on September 16 at the tongue of the Gangstan Glacier. Camp I was at 17,400 feet on the glacier and Camp II, established on September 22, was at 18,375 feet. All four reached the summit on September 26, 1977.