Tsomoriri Lake,Jammu and Kashmir, India.

Tsomoriri or Lake Moriri (official name: Tsomoriri Wetland Conservation Reserve, Tibetan: ལྷ་མོའི་བླ་མཚོ, Wylie: lha mo bla mtsho), is a lake in the Changthang (literally: northern plains) area in Jammu and Kashmir. The lake is at an altitude of 4,595 m (15,075 ft); it is the largest of the high altitude lakes in the Trans-Himalayan biogeographic region, entirely within India. The lake sits between Ladakh, India to the North, Tibet to the east, and Zanskar in the west.
http://en.wikipedia.org/wiki/Tsomoriri_Wetland_Conservation_Reserve