Niger River Niger River The Niger River (; , ) is the principal river of West Africa, extending about . Its drainage basin is 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
Ancient Egyptian agriculture civilization of ancient Egypt developed in the arid climate of northern Africa. This region is distinguished by the Arabian and Libyan deserts, and the River Nile. The Nile is one of the longest rivers in the world, flowing northward from Lake Victoria and eventually emptying into the Mediterranean Sea. The Nile has two main tributaries: the Blue Nile which originates in Ethiopia, and the White Nile that flows from Rwanda. While the White Nile is considered to be longer and easier to traverse, the Blue Nile actually carries about two thirds of the water volume of the river. The names