Qilian is a city located in China. It serves as a geographic point situated within a region characterized by significant mountain ranges.
The area is defined by the Qilian Mountains, which are northern outliers of the Kunlun Mountains. These mountains form the border between the Qinghai and Gansu provinces of China and are positioned near the Altyn-Tagh, also known as the Nan Shan to the south of the Hexi Corridor.