Tenzing Norgay was a part of the support team; he and Louis Dubost climbed Nanda Devi East to look for the missing pair.
The standard approach to the south ridge route is from the Milam Valley to the east, that passes through Lawan Glacier and onwards to Longstaff Col.
[9] Marco Dalla Longa led a large Italian expedition of twelve members to Nanda Devi East Summit in 2005.
They were proceeding towards the summit when a long spell of bad weather from 9 to 18 September made them sit up at the higher camps.
It has a very diverse flora and is the habitat of several endangered mammals, among them the snow leopard, serow, himalayan musk deer and bharal.
Nanda Devi National Park lies in eastern Uttarakhand, near the Tibetan border in the Garhwal Himalaya, 300 km northeast of Delhi.