The Yu River (郁江 or 鬱江) (also called the Siang River) is a river in the south of

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...

. It rises in two branches - the

Zuo River The Zuo River (, vi, Tả Giang) is a river of Guangxi, China. It begins from the confluence of the Bằng River and Kỳ Cùng River near Longzhou and joins the You River ("Right River") near Nanning to form the Yong River. These rivers form ...

(左江) and the You River (右江). The You flows roughly southeast from its sources in

Yunnan Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the ...

province, the Tuoniang River (north) and the Xiyang River (south), which combine in the south of Tianlin County under the jurisdiction of

Baise City Baise (; local pronunciation: ), or Bose, is the westernmost prefecture-level city of Guangxi, China bordering Vietnam as well as the provinces of Guizhou and Yunnan. The city has a population of 4.3 million, of which 1.4 million live in the ...

Guangxi Guangxi (; ; alternately romanized as Kwanghsi; ; za, Gvangjsih, italics=yes), officially the Guangxi Zhuang Autonomous Region (GZAR), is an autonomous region of the People's Republic of China, located in South China and bordering Vietnam ...

. The Zuo flows northeast, also from two sources which begin in

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making ...

. These are the

Bằng River The Bằng River ( vi, Sông Bằng, zh, 水口河 vietnamese: Thủy Khẩu Hà) is a river of Cao Bằng Province, Vietnam.''Vietnam Administrative Atlas'', Map Publisher, 2004 It flows for 108 kilometres. It originates in the Guangxi, China, ...

(known as Shuikuo in its lower course in China), which flows through

Cao Bằng Cao Bằng () is a city in northern Vietnam. It is the capital and largest settlement of Cao Bằng Province. It is located on the bank of the Bằng Giang river, and is around away from the border with China's Guangxi region. According to the ...

from the northwest, and the larger

Kỳ Cùng River The Kỳ Cùng ( vi, Sông Kỳ Cùng, links=no) is a major river of northeastern Vietnam. It flows through Lạng Sơn Province . Tributaries include the Bắc Giang River and the Bắc Khê River. The source of the river is at an altitude of 1 ...

(known as Ping'er in its lower course in China) that originates from the southwest. After the confluence of said You and Zuo rivers the stream is then known as the Yong Jiang (邕江) as it flows through Nanning before becoming the Yu. The Yu itself runs roughly northeast before joining the

Qian River The Qian River () is the name of a short section of the Xi River system and, thus, the greater Pearl River system in Guangxi, China. It is formed by where the Liu Jiang meets the larger Hongshui He east of Laibin, then flows southeast thro ...

(黔江) at Guiping to form the

Xun River The Xun River ( Chinese: 浔江, pinyin: Xún Jiāng, jyutping: ''Cham4 Gong1'') is a short section of the main branch of the Pearl River system upstream from the Xi Jiang in China. Although less than 200km long, it is of considerable importan ...

. The Yong-Yu river proper flows some along a sinuous course until reaching

Guiping Guiping () is a county-level city in eastern Guangxi, China. It is under the administration of Guigang City, located at the confluence of the Qian and Yu rivers, which are the Xi River's primary north and south tributaries, respectively. Nam ...

as a tributary of the Xi River system.

References

Rivers of Guangxi Tributaries of the Pearl River (China) {{China-river-stub