Introduction to the Jinsha River: The Jinsha River is the upper reaches of the Yangtze River in China. After the Yangtze River source water system merged into the Tongtian River, it entered the Hengduan Mountains in Yushu County, Qinghai, and was first called the Jinsha River. The Jinsha River flows through the northwest of the Yunnan Plateau and the mountains of southwest Sichuan to the Minjiang River in Yibin in the southwest of the Sichuan Basin. It has a total length of 2,316 kilometers and a drainage area of 340,000 square kilometers.