<P> The Niger River ( / ˈnaɪdʒər / ; French : ( le ) fleuve Niger , pronounced ( ( lə ) flœv niʒɛʁ ) ) is the principal river of West Africa , extending about 4,180 km ( 2,600 mi ) . Its drainage basin is 2,117,700 km ( 817,600 sq mi ) in area . Its source is in the Guinea Highlands in southeastern Guinea . It runs in a crescent through Mali , Niger , on the border with Benin and then through Nigeria , discharging through a massive delta , known as the Niger Delta or the Oil Rivers , into the Gulf of Guinea in the Atlantic Ocean . The Niger is the third - longest river in Africa , exceeded only by the Nile and the Congo River ( also known as the Zaïre River ) . Its main tributary is the Benue River . </P>
<P> The Niger River ( / ˈnaɪdʒər / ; French : ( le ) fleuve Niger , pronounced ( ( lə ) flœv niʒɛʁ ) ) is the principal river of West Africa , extending about 4,180 km ( 2,600 mi ) . Its drainage basin is 2,117,700 km ( 817,600 sq mi ) in area . Its source is in the Guinea Highlands in southeastern Guinea . It runs in a crescent through Mali , Niger , on the border with Benin and then through Nigeria , discharging through a massive delta , known as the Niger Delta or the Oil Rivers , into the Gulf of Guinea in the Atlantic Ocean . The Niger is the third - longest river in Africa , exceeded only by the Nile and the Congo River ( also known as the Zaïre River ) . Its main tributary is the Benue River . </P>
what is the source of the river niger
what is the source of the river niger
the Guinea Highlands in southeastern Guinea
the Guinea Highlands in southeastern Guinea