The Tanggula, Tangla, Tanglha, or Dangla Mountains is a mountain range in the central part of the Qinghai-Tibet Plateau in Tibet. Administratively, the range is in the Nagqu Prefecture of the Tibet Autonomous Region, with the central section extending into the Tanggula Town and the eastern section entering the Yushu Tibetan Autonomous Prefecture of Qinghai province.

Qinghai is an inland province in Northwestern China. It is the largest province of China by area and has the third smallest population. Its capital and largest city is Xining.