Ouémé River

Ouémé River
Weme River
The Oueme River where it flows into the Atlantic Ocean in Cotonou, Benin.
Countries	Benin, Nigeria
Source
- elevation	465 m (1,526 ft)
Mouth	Gulf of Guinea
- location	Cotonou, Benin
- elevation	0 m (0 ft)
- coordinates
Length	510 km (317 mi)
Basin	46,990 km2 (18,143 sq mi)
Discharge
- average	170 m3/s (6,003 cu ft/s)
- max	1,175 m3/s (41,495 cu ft/s)
- min	0 m3/s (0 cu ft/s)

The Ouémé River is a river in the countries of Benin and Nigeria. It flows into the Atlantic Ocean near the large city of Cotonou, Benin (pop. 761,000).

Also known as the Weme River, this river has its source in the Atakora Mountains of Benin. This river is about 300 miles (480 km) long and it flows past the towns of Carnotville and Ouémé to a large delta on the Gulf of Guinea near the seaport city of Cotonou. This river forms a significant part of the boundary between the countries of Benin and Nigeria.