Lhagba La

Everest and North Col as seen from Lhagba La

Lhagba La or Lhakpa La (meaning "Windy Gap") is a 6,849-metre (22,470 ft) col about 7 kilometres (4.3 mi) northeast of Mount Everest in the Tibet Autonomous Region.

It was unknown to local inhabitants until it was discovered and named by the 1921 British Mount Everest reconnaissance expedition when reconnoitring a route to climb the mountain.^[1]^[2]^[3] Lhagba La is the starting point of the Kada Glacier which descends eastwards along the valley towards Kada. The Kada River is a tributary of the Arun River. On the western side of the col is the East Rongbuk Glacier which flows north from Everest. Lhagba Pool, 500 metres (1,600 ft) below and to 1 kilometre (0.62 mi) southwest, is reportedly the second highest lake in the world.^[4]

Expeditions attempting Everest via the North Col generally arrive up the East Rongbuk Glacier and so do not reach Lhagba La at all. However, when George Mallory and Guy Bullock were trying to reach the North Col, the route from Rongbuk was unknown to them. Instead they approached from the east only to find the glacier did not extend to the North Col. The climbing team eventually had to cross the pass and descend some 460 metres (1,500 ft) to the East Rongbuk Glacier before ascending to the North Col.^[1] Their discovery allowed the 1922 British Mount Everest expedition to take the more direct route from the north.

References

1 2 Howard-Bury, Charles; Mallory, George Leigh (1991). Keaney, Marian, ed. Everest Reconnaissance : The First Expedition of 1921. London: Hodder & Stoughton. ISBN 0340556021.
↑ Shipton, Eric (1955). Man Against Everest. Prentice-Hall. pp. 20–35. Retrieved 15 June 2014.
↑
- Murray, W. H. (1953). The Story of Everest. J. M. Dent & Sons. pp. 31–41.
↑ Johnson, Lexi (May 14, 2013). "The Highest Lakes In The World". Retrieved 29 August 2013.

Coordinates: 28°02′30″N 86°57′29″E / 28.04167°N 86.95806°E / 28.04167; 86.95806

Mount Everest

Topography and landmarks	Base Camp Geneva Spur Hillary Step Hornbein Couloir Kangshung Face Kangshung Glacier Khumbu Glacier Khumbu Icefall Lhakpa La Lho La North Col North Face Norton Couloir Rongbuk Glacier South Col South Summit Three Pinnacles Three Steps "Green Boots cave" Western Cwm

Expeditions	1921 British reconnaisance 1922 British 1924 British (Affair of the Dancing Lamas) 1933 British 1935 British 1936 British 1938 British 1950–52 British–Swiss–US reconnaissance 1951 British 1952 Swiss 1953 British 1975 British SW Face 1996 Indo-Tibetan Border Police 2006 Philippine 2007 Altitude Everest expedition Earth Day 20 International Peace Climb Mallory and Irvine Research Expedition Timeline of climbing Mount Everest List of Mount Everest guides

Disasters and notable deaths	1970 disaster 1974 avalanche 1996 disaster Green Boots David Sharp 2014 avalanche 2015 avalanches List of people who died climbing Mount Everest

Committees	Joint Himalayan Committee Mount Everest Committee

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Everest massif	Khumbutse Lhotse Lingtren Nuptse Pumori

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