The term African River or Country is represented by the crossword solution 'Niger' (5 letters). The Niger River is the principal river of western Africa, extending about 4, 180 km (2, 600 mi) through Guinea, Mali, Niger, Benin, and Nigeria. It is the third-longest river in Africa, exceeded only by the Nile and Congo rivers. Its main tributary is the Benue River. The Niger is also the name of a landlocked country in West Africa, bordered by Libya to the northeast, Chad to the east, Nigeria to the south, Benin to the southwest, Burkina Faso and Mali to the west, and Algeria to the northwest.