Tso Moriri or Lake Moriri Tibetan: ལྷ་མོའི་བླ་མཚོ, Wylie: lha mo bla mtsho), is a lake in the Ladakhi part of the Changthang Plateau (literally: northern plains) in Jammu and Kashmir in northern India. The lake is at an altitude of 4,522 m (14,836 ft). It is the largest of the high altitude lakes entirely within India and entirely within Ladakh in this Trans-Himalayan biogeographic region.