The Công River ( vi, Sông Công) is a tributary of the
Red River in northern
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 i ...
. It flows through
Thái Nguyên Province
Cài () is a Chinese-language surname that derives from the name of the ancient Cai state. In 2019 it was the 38th most common surname in China, but the 9th most common in Taiwan (as of 2018), where it is usually romanized as "Tsai" (based on ...
. The river is 96 km in length and has a catchment area of 951 square kilometres. It flows from
Núi Cốc Lake and also passes through the town of
Sông Công.
Rivers of Thái Nguyên province
Rivers of Vietnam
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