Kogin Omaumau
Kogin Omaumau rafi ne dake tsakiya a cikin Auckland wanda yake yankin New Zealand's North Island . Yana gudana arewa maso yamma don isa tashar Kaipara mai  arewa maso gabas na Helensville . Rikicin ya ƙunshi makiyayar karkara da dazuzzukan dajin.

Nassoshi 
 Omaumau River - Land Air Water Aotearoa (LAWA)
Shafuka masu fassarorin da ba'a duba ba