Wikipedia
Altyn-Tagh
For neighborhoods in Turkish cities, see Altındağ, İzmir and Altındağ, Ankara
Altyn-Tagh, (Astyn-Tagh, Altun Mountains, Pinyin: Altun Shan, A-erh-chin, Wade–Giles:A-erh-chin shan, Aerjin Shan, ) is a part of the range south of Lop Nor), and is a mountain range in northwestern China that separates the eastern Tarim Basin from the Tibetan Plateau. The western third is in Xinjiang while the eastern part forms the border between Qinghai to the south and Xinjiang and Gansu to the north.
Altun Shan is also the name of a mountain near the eastern end of the range, the highest point in Gansu.