Most of them are above 1000 meters above sea level, surrounded by mountains. There are Liupan Mountain and Longshou Mountain in the north; Minshan, Qinling and Ziwuling in the east; Altun Mountain, west of Qilian Mountain; Nanrang Qingniling.
Gansu location boundary
Gansu Province is located in the west of China, in the middle and upper reaches of the Yellow River, with a vast territory. It is located between 3211'-42 57' north latitude and 9213'-108 46' east longitude, and most of them are located on the second step of Chinese terrain.
It borders Shaanxi in the east, Sichuan in the south, Qinghai and Xinjiang in the west, Inner Mongolia and Ningxia in the north and Mongolia in the north. It winds from east to west1.600km, with a total area of 455,900km2 (including enclave 53.22km2), accounting for 4.72% of the total area of China.
Reference to the above content: Baidu Encyclopedia-Gansu
Gansu Provincial People's Government-Geography and Geomorphology of Gansu Province