Cầu River

Cầu River
Cầu River at Việt Yên, Bắc Giang
Physical characteristics
Source 
  locationChợ Đồn District
Mouth 
  location
Thái Bình River
  coordinates
21°07′26″N 106°17′52″E / 21.12389°N 106.29778°E / 21.12389; 106.29778
Length288 km (179 mi)
Basin size6,030 km2 (2,330 sq mi)
Basin features
Tributaries 
  leftCà Lồ River, Công River

Cầu River (Vietnamese: Sông Cầu) is a river of northern Vietnam. It flows through the provinces/cities of Bắc Kạn, Thái Nguyên, Bắc Giang, Hanoi, Bắc Ninh. It begins at the Phia Bioóc Peak in Chợ Đồn District, west of mountainous province of Bắc Kạn.

The river has a length of 288 km and basin area of 6,030 km².