Basum Tso Lake
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Lake Basum Tso, also known as Lake Cuogao literally meaning green water in Tibetan, is a Tibetan lake covering 27 square kilometres in Gangbugjiangda County, approximately 300km east of Lhasa in Tibet. At 3700 metres over sea level it is about 18km long and has an average width of apprioximately 1.5 kilometres. The deepest point of the green lake measures 120 metres.