3. the River Niger with water coming from the mountains in Guinea flowing into the Gulf of Guinea West of the continent. A length of 3 continents and used as transport routes on the West coast of the continent.
3. Niger River Extending from the mountains in Guinea. Flows into the Gulf of Guinea to the west of the continent. With a length of 3 of the continent and as routes west of the continent.
3. The Niger River upstream from a mountain in Guinea. It flows into the Gulf of Guinea to the west of the continent, with the 3 length of the continent. And used as a transportation route on the west coast of the continent.