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Bara Shigri Glacier

Bara Shigri is a glacier located in Lahaul & Spiti, Himachal Pradesh, India. It is currently extending to 27.7 kilometres and covers over 126.45 square kilometres. It is the largest glacier in Himachal Pradesh.

Geology
Bara Shigri glacier lies on the northern slopes of the main Pir Panjal Range of the Inner Himalayas. It is fed by various tributary glaciers with the main ones converging at about . The glacier debouches into the Chandra River through the Shigri stream which instead of joining the river directly from the south, detours to the west shortly after it leaves the ice cave and runs almost parallel to the course of the Chandra River up to Phuti Runi. The glacierized area of Bara Shigri extends from at the snout to about at the headwall. The glacier has heterogenic surface characteristics, ranging from clean ice in the accumulation zone to extensive debris cover areas in the lower ablation zone. == Study History ==
Study History
The Bara Shigri glacier was first surveyed in 1906 by H. Walker and E.H. Pascoe of the Geological Survey of India. In 1955, the Geological Survey of India sponsored an expedition to this glacier as part of the Indian programme for the International Geophysical Year 1956–57, when a number of Himalayan glaciers were examined and their snout position fixed. ==Retreat==
Retreat
Various studies shows that the Bara Shigri has been retreating continuously. According to one study, from 1965 to 2014 (49 years) the glacier lost a total frontal area of 1.1±0.01 sq. km, with an average terminus retreat of 1100.2±32.1 m (22.5±0.7 m per year). ==See also==
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