Tsomgo Lake, also known as Tsongmo Lake or Changu Lake, is a glacial lake in the East Sikkim district of the Indian state of Sikkim, some 40 kilometres from the capital Gangtok. Located at an elevation of 3,753 m, the lake remains frozen during the winter season. Wikipedia
Surface elevation: 3,753 m
Max depth: 15 m
Area: 24 ha
Frozen: winter
Average depth: 4.58 metres (15.0 ft) (average)