Kogin Mangamuka
Kogin Mangamuka kogi ne dake arewa mai nisa na Yankin Arewa wanda yake yankin New Zealand . Yana gudana gabaɗaya kudu daga Ragin Maungataniwha kudu maso gabas na Kaitaia, kuma ƴan kilomita na ƙarshe na tsawonsa suna da faɗi, silti hannu na tashar Hokianga, wanda ya kai  arewa maso gabashin Rawene .

Duba kuma 

 Jerin koguna na New Zealand

Nassoshi 

Shafuka masu fassarorin da ba'a duba ba