The Niger Delta (5°30'N., 5°10'E.) is said to begin at Aboh (5°32'N., 6°31'E.), a major trading station, which stands at the head, 130 miles from Forcados. It consists of numerous rivers, the best known being the Benin, Escravos, Forcados, Nun, Brass, New Calabar, and Bonny. All of these rivers unite with the many streams of the River Niger at or below Ndoni (5°33'N., 6°33'E.). The Niger River, one of Africa's most famous rivers, originates in the King Mountains, which extend, about 200 miles inland, parallel to the Guinea coast near the border with Sierra Leone. From Bamako (12°40'N., 7°50'W.), the river trends NE for 450 miles to Timbuktu (16°40'N., 2°40'W.) and then E for about 155 miles to Buram Island (16°50'N., 0°16'W.), which is known as The Great Bend of the Niger. The river then flows SE for 400 miles to Gomba (11°34'N., 3°58'E.), where it is joined by the Gulbi n'Sokoto River. It then continues S and SE to the vicinity of Aboh, where the delta commences. Small shallow draft boats, with flat bottoms, navigate the river, subject to seasonal limitations. The Niger River, like many other rivers, has a high level and a low level However, the rise in the upper part takes almost 1 year to travel down to the lower part due to the numerous openings into other rivers and creeks.

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