The Okpara River is a river of Benin.Rand McNally, ''The New International Atlas'', 1993. Originating in

Borgou Department Borgou is one of the twelve departments of Benin. Borgou borders the country of Nigeria and the departments of Alibori, Atakora, Collines and Donga. The capital of Borgou is Parakou. The department of Borgou was bifurcated in 1999, with its ...

, it flows south and becomes the

border Borders are usually defined as geographical boundaries, imposed either by features such as oceans and terrain, or by political entities such as governments, sovereign states, federated states, and other subnational entities. Political borders ca ...

between

Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...

and

Benin Benin ( , ; french: Bénin , ff, Benen), officially the Republic of Benin (french: République du Bénin), and formerly Dahomey, is a country in West Africa. It is bordered by Togo to the west, Nigeria to the east, Burkina Faso to the nort ...

before re-entering Benin and flowing into the

Ouémé River The Ouémé River, also known as the Weme River, is a river in Benin. It rises in the Atakora Mountains, and is about long. It flows past the towns of Carnotville and Ouémé to a large delta on the Gulf of Guinea near the seaport ...

, which ultimately drains into the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

. Several villages along the river are

disputed Controversy is a state of prolonged public dispute or debate, usually concerning a matter of conflicting opinion or point of view. The word was coined from the Latin ''controversia'', as a composite of ''controversus'' – "turned in an opposite d ...

between Benin and Nigeria.

References

Rivers of Benin Rivers of Nigeria Benin–Nigeria border {{Nigeria-river-stub