The Yobe River, also known as the Komadougou Yobe also spelt Komadugu Yobe River or the Komadougou-Yobe, is a river in West Africa that flows into Lake Chad through Nigeria and Niger. Its tributaries include the Hadejia River, the Jama'are River, and the Komadugu Gana River. The river forms a small part of the international border between Nigeā¦The Yobe River, also known as the Komadougou Yobe also spelt Komadugu Yobe River or the Komadougou-Yobe, is a river in West Africa that flows into Lake Chad through Nigeria and Niger. Its tributaries include the Hadejia River, the Jama'are River, and the Komadugu Gana River. The river forms a small part of the international border between Niger and Nigeria with 95 miles and flows a total of 200 miles