The Wu River () is a left tributary of the

Yuan River The Yuan River, also known by its Chinese name as the Yuanjiang, is one of the four largest rivers in Hunan province in southeast-central China. It is a tributary of Yangtze River. It is long and rises in Guizhou province in the Miao Mountain ...

in south

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

. This upper stream is called Wuyang River () in

Guizhou Province ) , image_skyline = , image_caption = , image_map = Guizhou in China (+all claims hatched).svg , mapsize = 275px , map_alt = Map showing the location of Guizhou Province , map_caption = Map s ...

; it rises on the western slopes of Mount Foding in the southeast of

Weng'an County Weng'an County () is a county in Qiannan Buyei and Miao Autonomous Prefecture, Guizhou, China. Weng'an has an area of 1973.8 square kilometers and a population of 460,600 as of 2003. On June 28, 2008, a riot happened here. Administrative divisi ...

. The river runs eastward into

Hunan Province Hunan is an inland province in Central China. Located in the middle reaches of the Yangtze watershed, it borders the province-level divisions of Hubei to the north, Jiangxi to the east, Guangdong and Guangxi to the south, and Guizhou and Chon ...

and then is called the ''Wu River''. It joins Yuan River at Hongjiang City. The river has a length of and drains an area of .

Notes

{{reflist Rivers of Guizhou Rivers of Hunan