Qilian Mountains
Coordinates: 39°12′N 98°32′E / 39.200°N 98.533°E The Qilian Mountains (Tsilien Mountains; Chinese: 祁连山; pinyin: Qílián Shān; Wade–Giles: Ch'i2-lien2 Shan1; Mongghul: Chileb), together with the Altyn-Tagh (Altun Shan) also known as Nan Shan (Chinese: 南山, literally "Southern Mountains", as it is to the south of Hexi Corridor), is a northern outlier of the Kunlun Mountains, forming the border between Qinghai and the Gansu provinces of northern China.
The range stretches from the south of Dunhuang some 800 km to the southeast, forming the northeastern escarpment of the Qinghai-Tibet Plateau and the southwestern border of the Hexi Corridor.
The eponymous Qilian Shan peak, situated some 60 km south of Jiuquan, at 39°12′N 98°32′E / 39.200°N 98.533°E, rises to 5,547 m. It is the highest peak of the main range, but there are two higher peaks further south, Kangze'gyai at 38°30′N 97°43′E / 38.500°N 97.717°E with 5,808 m and Qaidam Shan peak at 38°2′N 95°19′E / 38.033°N 95.317°E with 5,759 m.
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