Namtso Lake

 Namtso Lake is located in the wide grass of Northern Tibetan Highland. It takes a few hours to drive north from Lhasa City. Namtso, in the Tibetan Language, means Sky Lake. It is the biggest freshwater lake in Tibet, and it lies more than 4,000 metres above sea level.

https://www.nomadictibet.com/namtso-lake