Three major river basins in China
The watershed is one of the Qinling Mountains, starting from the south of Gansu in the west and extending to the west of Henan Province through the southwest of Shaanxi Province, with a total length of 1 100 km. At the beginning, the Qinling Mountains in Gansu Province were relatively low, with an altitude of about 2000 meters. By the end of Shaanxi, the altitude began to rise eastward. Located between Baoji and Xi 'an, Taibai Mountain is the highest peak of Qinling Mountains, with an altitude of 3,767 meters.
China's Important Geographical Demarcation: Administrative Division.
(1) The boundary between southern Xinjiang and northern Xinjiang (the boundary between mobile sand dunes and fixed and semi-fixed sand dunes): Tianshan Mountain.
(2) The dividing line between Hubei Province and Chongqing: Wushan.
(3) The dividing line between Fujian Province and Jiangxi Province: Wuyi Mountain.
(4) The dividing line between Guangdong Province and Hunan Province: Nanling.
(5) The boundary between Xizang Autonomous Region and Xinjiang Uygur Autonomous Region: Kunlun Mountain.
(6) The dividing line between Gansu Province and Qinghai Province: Qilian Mountain.
(7) The dividing line between Sichuan Province and Shaanxi Province: Daba Mountain.