Introduction to Qujiang: Qujiang is a tributary of Jialing River, also known as Quhe and Nanjiang River. It has two sources. Dongyuanzhou River originates from the southwest foot of Daba Mountain on the border of Sichuan and Shaanxi provinces, and Beiyuanzhou River originates from the southwestern foot of Daba Mountain on the border of Sichuan and Shaanxi provinces. At the southern foot of Micang Mountain on the boundary between Sichuan and Shaanxi provinces, it is called Qujiang after it merges in Sanhui Town, Qu County. It flows through 8 counties including Nanjiang, Bazhong, Pingchang, Daxian, Quxian, Guang'an, Yuechi, and Hechuan. County area, it flows into the Jialing River near Yaojiagou Village, Yunmen Town, Diaoyu Mountain, Hechuan City, Chongqing.
The middle and lower reaches of Qujiang River have a mild climate and abundant rainfall. Its watershed is the granary of northeastern Sichuan.