The given elevation of 7,543 metres is from modern Chinese mapping. Some authorities give 7,583 metres.
The Changtse Glacier flows north into the East Rongbuk Glacier. It is possible that the third highest lake in the world is in the Changtse Glacier at 6,216 metres (20,394 ft).
1935 During Everest reconnaissance Eric Shipton, Edmund Wigram and Bill Tilman attempted to summit from the north-east ridge. On August 21st they got to within of the summit before very deep and soft snow forced them to turn back.
1982 The first ascent of Changtse was unofficially made on October 3 1982 by Johan Taks of the Dutch Everest Expedition who were officially climbing Everest from the north side. However, Taks climbed Changste without a permit.
1982 The first official ascent of Changste with a permit was completed 11 days later on October 14 by five members of a German expedition Udo Zehetleitner, Paul Braun, Rudolf Frick, Ludwig Hösle and Martin Engler. The ascent was made via the four kilometre-long NE Ridge from the junction of the East Rongbuk Glacier and Changtse Glacier.
1986 Changtse was climbed again by a large Chinese-Japanese expedition in 1986. This expedition put eight Japanese and 16 Chinese on the summit May 10 and May 11 1986 again via the NE Ridge from the Changtse Glacier. Also included the first ascent by a woman, Mrs. Gunsung.
1986 American climber Ed Webster made the first solo ascent via the SE face from the foot of the North Col on August 28 1986. Most of this climb was done at night, taking advantage of more stable snow and ice conditions.