Kogin Opurehu

Kogin Opūrehu kogi ne da ke Arewa da Tsibirin Arewa wanda yake yankin New Zealand. Yana gudana kudu daga ƙarshenMaungataniwha Range don isa kogin Mangamuka a ƙaramin ƙauyen Mangamuka.Dokar teku

 Duba kuma 

 Jerin koguna na New Zealand

 Nassoshi