Qilian Mountains

39°12′N98°32′E / 39.200°N 98.533°E / 39.200; 98.533

The Qilian Mountains, along with the Altyn-Tagh sometimes known as the Nan Shan as it is to the south of the Hexi Corridor, are northern outliers of the Kunlun Mountains, forming the border between the Qinghai and Gansu provinces of China.