The Niger River is the principal river of West Africa and the third-longest river in Africa, stretching approximately 2,600 miles (4,200 kilometers). It originates in the Guinea Highlands, flowing in an unusual crescent shape through Mali, Niger, and along the border with Benin before entering Nigeria, where it forms a massive delta at the Gulf of Guinea. The river is a crucial source of life and an important trade route for the millions of people who live along its course, supporting a diverse

The history and discovery of River Niger

Niger River's importance to western Africa explained | Britannica