Nyainqêntanglha Mountains (Tibetan: གཉན་ཆེན་ཐང་ལྷ་, Tibetan Pinyin: Nyainqêntanglha, Willy: gnyan chen thang lha, THL: Nyenchenthanglha [source] is located in the grassland, meaning ’spirit’ in Tibet. Central and Eastern Autonomous Region. Near east-west direction. The Gangdese Mountains on the west and the Hengduan Mountains on the east. It has a total length of 1,400 kilometers and an average width of 80 kilometers. The average altitude is 5,000 to 6,000 meters.