Yangtze River aliases: Yangtze River, Natural Moat, Nine Pai, Mother River

The Yangtze River is the third largest river in the world and the largest river in Asia, second only to the Amazon River in South America and the Nile River in Africa. It originates from the Geladandong Snow Mountain, the main peak of Tanggula Mountain on the Qinghai-Tibet Plateau, flows through three levels of terraces, and flows from west to east into the East China Sea. The Yangtze River has many tributaries, and the Yangtze River basin is about 3,219 kilometers wide from east to west and about 966 kilometers wide from north to south.

It flows through 11 provinces (autonomous regions, municipalities directly under the central government), including Qinghai (Qing), Tibet (Zang), Sichuan (Chuan or Shu), Yunnan (Yun or Dian), Chongqing (Yu), Hubei (E), Hunan (Xiang), Jiangxi (Gan), Anhui (Wan), Jiangsu (Su), and Shanghai (Hu), and finally flows into the East China Sea in Shanghai. The Yangtze River is 6,397 kilometers long and has a total drainage area of ​​1,808,500 square kilometers, accounting for about 1/5 of China's total land area. Together with the Yellow River, it is known as the "Mother River" of the Chinese nation.

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In ancient Chinese literature, "Jiang" is often used to refer specifically to the Yangtze River. Wang Xizhi and Sun Chuo of the Eastern Jin Dynasty were the first to use the name "Yangtze River". Wang Xizhi wrote to Yin Hao: "Now the army is defeated outside and the resources are exhausted inside. The ambition to protect Huaihe River is no longer possible. The best thing is to protect the Yangtze River!" ("Book of Jin·Biography of Wang Xizhi"); Sun Chuo wrote in a memorial: "The fate of the emperor has not changed. Zhongzong's dragon flew. It is not only because of the faith and harmony with heaven and man, but also because of the protection of the Yangtze River." ("Book of Jin·Biography of Sun Chuo")

The Yangtze River is also called the Yangtze River. In the late Qing Dynasty, the Yangtze River was opened to the outside world. Foreign ships sailed upstream from Wusongkou and first passed through the Yangtze River. Foreigners used it as a synonym for the Yangtze River, transliterated as "Yangtze River", and it became widely circulated.

The Yangtze River flows through Anhui Province for 416 kilometers and is called the 800-mile Wanjiang River. The main stream of the Yangtze River flows in from Jiujiang City, Jiangxi Province, enters Anhui Province in Susong, and runs diagonally from southwest to northeast through Anqing, Guichi, Tongling, Wuhu, Ma'anshan, and 12 counties, and flows into Jiangsu Province near Wujiang River in Hexian County.

The main stream is about 416 kilometers long, with a drainage area of ​​66,000 square kilometers, accounting for 47.3% of the total area of ​​Anhui Province and about 4% of the entire Yangtze River Basin. There are many tributaries on both sides of the Yangtze River, which are relatively symmetrical. From west to east, the longer tributaries on the north bank include Wanhe River, Yuxi River and Chuhe River, etc.; on the south bank there are Qingyi River, Shuiyang River, etc.