
China is abundant in rivers. Most of the large rivers originate on the Qinghai-Tibet Plateau, and drop greatly from their source to their mouths. Not surprisingly therefore, China is rich in waterpower resources, and it leads the world in hydropower potential.
China's rivers can be categorized as exterior and interior systems. The catchment area for the exterior rivers that empty into the oceans accounts for 64 percent of the country's total land area. The Yangtze, Yellow, Heilong, Liaohe, Haihe and Huaihe Pearl Rivers flow east into the Pacific Ocean.
The Yarlungzangbo River in Tibet, which flows first east and then south into the Indian Ocean, boasts the Yarlungzangbo Grand Canyon, the largest canyon in the world, 504.6 km long and 6,009 m deep.
The Ertix River flows north from the Xinjiang Uyghur Autonomous Region to the Arctic Ocean. The catchment area for the interior rivers that flow into inland lakes or disappear into deserts or salt marshes makes up about 36 percent of China's total land area. Its 2,179 km making the Tarim River in southern Xinjiang China's longest interior river.
The Yangtze, 6,300 km long, is the largest river in China, and the third largest in the world, only next to the Nile in Africa and the Amazon in South America. Passing through high mountains and deep valleys, the upper section of the Yangtze River is abundant in water resources. The Yangtze is praised as the"golden waterway". It is a transportation artery linking west and east, and its navigation benefiting from excellent natural channels. Thanks to the warm and humid climate, plentiful rainfall and fertile soil there, the areas of the middle and lower Yangtze River are important agricultural regions.
The Yellow River, 5,464 km long, is the second largest river in China. The Yellow River valley was one of the birthplaces of ancient Chinese civilization. It has lush pasturelands and abundant mineral deposits.
The Heilong River is a large river in north China with a total length of 4,350 km, with 3,101 km in China.
The Pearl (Zhujiang) River, 2,214 km long, and is a large river in south China.
China also has a famous man-made river—the Grand Canal. With a total length of 1,801 km, the Grand Canal is the longest as well as the oldest man-made waterway in the world. It runs from Beijing in the north to Hangzhou in Zhejiang Province in the south. In the fifth century A.D, Chinese people began to build the Grand Canal. Today it links five major rivers—the Haihe, Yellow, Huaihe, Yangtze and Qiantang.
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