Công River

Cong River
Cong River at Sông Công
Country	Vietnam
Basin features
River system	Cầu River
Physical characteristics
Length	96 km (60 mi)

The Công River (Vietnamese: Sông Công) is a tributary of the Red River in northern Vietnam. It flows through Thái Nguyên Province. 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.