Yangtze River | Location, Map, Flood, & Facts | Britannica (2024)

river, China

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Also known as: Ch’ang Chiang, Chang Jiang, Da Jiang

Written by

Charles E. Greer Professor of Geography and of East Asian Languages and Cultures, Indiana University, Bloomington. Author of Water Management in the Yellow River Basin of China.

Charles E. Greer,

Aleksandr Pavlovich Muranov Former Senior Scientist, Leningrad Hydrological Institute. Author of Velichayshiye reki mira.

Aleksandr Pavlovich MuranovAll

Fact-checked by

The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

The Editors of Encyclopaedia Britannica

Last Updated: Article History

Chinese (Pinyin):
Chang Jiang or
(Wade-Giles romanization):
Ch’ang Chiang

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Top Questions

How long is the Yangtze River?

The Yangtze River is 3,915 miles (6,300 km) long. It is the longest river in both China and Asia and the third-longest river in the world.

What is the source of the Yangtze River?

The source of the Yangtze River is the Ulan Moron (Wulanmulun) River, which originates in glacial meltwaters on the slopes of the Tanggula Mountains in southern Qinghai province, China.

What are the principal tributaries of the Yangtze River?

The Yangtze River has eight principal tributaries. On its left bank, from source to mouth, are the Yalung, Min, Jialing, and Han rivers. Those on the right bank include the Wu, Yuan, Xiang, and Gan rivers.

What huge dam project was completed on the Yangtze River in 2006?

The Three Gorges Dam on the Yangtze River was completed in 2006. It is just west of the city of Yichang in Hubei province, China. At the time of its completion, it was the largest dam structure in the world.

Yangtze River, longest river in both China and Asia and third longest river in the world, with a length of 3,915 miles (6,300 km). Its basin, extending for some 2,000 miles (3,200 km) from west to east and for more than 600 miles (1,000 km) from north to south, drains an area of 698,265 square miles (1,808,500 square km). From its source on the Plateau of Tibet to its mouth on the East China Sea, the river traverses or serves as the border between 10 provinces or regions. More than three-fourths of the river’s course runs through mountains. The Yangtze has eight principal tributaries. On its left bank, from source to mouth, these are the Yalung, Min, Jialing, and Han rivers; those on the right bank include the Wu, Yuan, Xiang, and Gan rivers.

The name Yangtze—derived from the name of the ancient fiefdom of Yang—has been applied to the river mainly by those in the West. Chang Jiang (“Long River”) is the name used in China, although it also is called Da Jiang (“Great River”) or, simply, Jiang (“[The] River”). The Yangtze is the most important river of China. It is the country’s principal waterway, and its basin is China’s great granary and contains nearly one-third of the national population.

Physical features

The upper course

The upper course of the Yangtze flows across the Plateau of Tibet and descends through deep valleys in the mountains east of the plateau, emerging onto the Yunnan-Guizhou (Yungui) Plateau. Summers there are warm, and the winters are cold. The source of the Yangtze is the Ulan Moron (Wulanmulun) River, which originates in glacial meltwaters on the slopes of the Tanggula Mountains in southern Qinghai province on the border with the Tibet Autonomous Region. From the confluence of this stream with several others, the river flows generally easterly through a shallow, spacious valley, the bottom of which is studded with lakes and small reservoirs. This part of its course lies in the higher regions of the Tibetan highlands.

The river’s character changes sharply upon reaching the eastern limits of the highlands. There the river—which in this stretch is called the Jinsha—descends from a high elevation, winding its way south of the high Bayan Har Mountains and forming a narrow valley up to 2 miles (3 km) in depth. Individual mountain peaks exceed elevations of 16,000 feet (4,900 metres) above sea level and are crowned with glaciers and perpetual snow. The steep, rocky slopes are cut with gorges and deep valleys. For several hundred miles the Yangtze flows in a southeasterly direction, before turning south to flow downward in rushing rapids. For a considerable distance the river flows through passes that are so steep that no room is left even for a narrow path. Villages, which are rarely found, are located high above the river. In this region the Yangtze runs close and parallel to both the Mekong and Salween rivers; all three rivers are within 15 to 30 miles (25 to 50 km) of one another and continue to flow in mutual proximity for a distance of more than 250 miles (400 km).

North of latitude 26° N these great rivers diverge, and the Yangtze turns east to pass through a winding valley with steep slopes. The river receives the waters of many tributaries, among which the Yalong River is the largest and contributes the most water. The Yangtze then widens to between 1,000 and 1,300 feet (300 and 400 metres), reaching depths often exceeding 30 feet (9 metres). In narrower gorges the water width decreases by almost half, but the depth increases sharply.

Britannica QuizWater and its Varying Forms

Near the end of the upstream part of its course, the Yangtze descends to an elevation of 1,000 feet above sea level. Thus, over the first 1,600 miles (2,600 km) of its length, the river has fallen more than 17,000 feet (5,200 metres), or an average of more than 10 feet per mile (2 metres per km) of its course. In the mountains, however, there is a substantial stretch where the fall of the river is considerably greater.

The middle course

The middle course of the Yangtze stretches for about 630 miles (1,010 km) between the cities of Yibin in Sichuan province and Yichang in Hubei province. The climate is characterized by hot summers and relatively mild winters, as the high mountains to the west protect the region from the cold north and west winds. Annual precipitation measures between 40 and 60 inches (1,000 to 1,500 mm), a large part of it occurring in summer; the growing season lasts for more than six months. In most of this segment, the river crosses hilly Sichuan province, where the lower mountains and plateaus connect the highlands of southwestern China with the Qin (Tsinling) Mountains lying between the Yangtze and Huang He (Yellow River) basins. Located in this area is Chongqing, a major industrial centre and river port. The river’s width there is from about 1,000 to 1,600 feet (300 to 500 metres), and the depth in places exceeds 30 feet. The current is swift; the banks often are high and steep. The river falls some 820 feet (250 metres) in Sichuan, more than a foot per mile (0.2 metre per km) of flow.

Yangtze River | Location, Map, Flood, & Facts | Britannica (5)

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As the Yangtze flows through eastern Sichuan and into western Hubei, it traverses for a distance of 125 miles (200 km) the famous Three Gorges region before debouching onto the plains to the east. The gorges have steep, sheer slopes composed mainly of thick limestone rocks. Prior to the completion of the Three Gorges Dam in 2006, they rose some 1,300 to 2,000 feet (400 to 600 metres) above the river, although with the creation of the reservoir behind the dam their height has been diminished fairly significantly. Nonetheless, they still present the appearance of fantastic towers, pillars, or spears. Qutang, the first gorge—about 5 miles (8 km) long—is the shortest; prior to its inundation, the river there was considered the most dangerous for navigation, being extremely narrow with many rapids and eddies. Wu, the second gorge, stretches for about 30 miles (50 km); it is a narrow, steep corridor with almost vertical walls of heights up to 1,600 or even 2,000 feet above the river. The last gorge, Xiling, is located upstream of Yichang and extends for a distance of 21 miles; in places limestone cliffs rise directly out of the water, although with the rise of the reservoir to much lower heights than before. The gorges are rocky, and the walls are speckled with cracks, niches, and indentations. Even before the river was inundated, its depth in the gorges was considerable, increasing to between 500 and 600 feet (150 and 180 metres) and giving the Yangtze the greatest depths of any river in the world.

Yangtze River | Location, Map, Flood, & Facts | Britannica (2024)
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