The Hanjiang River, also known as Hanshui River and Hanjiang River, is the largest tributary of the Yangtze River. According to modern hydrology, there are three sources: Shui Yang in the Central Plains, Qushui in Beiyuan and Daiyu River in Nanyuan, all of which are located in ningqiang county, Shaanxi Province at the southern foot of Qinling Mountains. When it flows through Mianxian (now Mianxian) and flows eastward to Hanzhong, it is called Hanshui River. The section from Ankang to Danjiangkou was called Canglang Water in ancient times, and Xiangyang was nicknamed Xiangjiang River and Xiangshui below.
Hanjiang River is the longest tributary of the Yangtze River and occupies an important position in history. Often juxtaposed with the Yangtze River, Huaihe River and Yellow River, they are collectively called "Jianghuai Hehan".
Hanjiang River is the largest tributary of the Yangtze River. Ge Zhongshan, originating in Da 'an Town, ningqiang county, Hanzhong City, southwest Shaanxi Province, flows through Shaanxi and Hubei provinces and joins the Yangtze River in Wuhan. Total length of main stream 1577 km.
In Shaanxi Province, it basically flows from west to east. The main stream of Hanjiang River originates from Zhongshan in ningqiang county, Shaanxi Province, flows through Mianxian, Hanzhong, Chenggu, Yangxian, Shiquan, Hanyin, Ziyang, Hanbin District of Ankang and Xunyang from west to east, and enters Hubei Province in Baihe County. [