In the upper reaches of the Yangtze River.

There are many cities along the Yangtze River, from the upper reaches to the lower reaches, they are Yibin, Luzhou, Chongqing, Fuling, Wanzhou, Yichang, Jingzhou, Wuhan, Huangshi, Ezhou, Jiujiang, Anqing, Tongling, Wuhu, Nanjing, and Shanghai.

The Yangtze River originates from the southwest side of the Geladandong Peak of the Tanggula Mountains on the Qinghai-Tibet Plateau, the "Roof of the World", and flows into the East China Sea east of Chongming Island. It is 6,387 kilometers long, and ranks third in the world among the world's major rivers, second only to the Nile River in Africa and the Amazon River in South America.

Mainstream of the Yangtze River:

Upper reaches

The upper reaches of the Yangtze River are above Yichang City, 4,504 kilometers long, accounting for 70.4% of the total length of the Yangtze River, and controlling a basin area of ​​1 million square kilometers. The Jinsha River is called Jinsha River above Yibin City, which is 3464 kilometers long and has a drop of about 5100m, accounting for about 95% of the drop of the whole river. The riverbed has a large gradient, many beaches and rapids. The main tributaries added are Yalong River; Yibin to Yichang is 1040 kilometers long, and the main tributaries added are Minjiang River and Jialing River on the north bank and Wujiang River on the south bank.

Middle Reaches

Yichang City to Hukou County is the middle reaches, which is 955 kilometers long and has a drainage area of ​​680,000 square kilometers. The main tributaries added in this section are Qingjiang River and Xiang, Zi, Yuan, Li River of Dongting Lake Water System and Gan, Fu, Xin, Xiu, Rao River of Poyang Lake Water System on the south bank, Hanjiang River on the north bank, and the famous Jingjiang River from Zhicheng to Chenglingji in this section. There are four water diversions of Songzi, Taiping, Ouchi and Diaoxian (blocked) on the south bank and Dongting Lake, and the waterway is the most complicated.

Downstream

The downstream is from Hukou County to the estuary, which is 938 kilometers long and covers an area of ​​120,000 square kilometers. The main tributaries include the Qingyi River, Shuiyang River system, Taihu Lake system on the south bank and Chaohu Lake system on the north bank.