Kogin Omaumau
| Kogin Omaumau | |
|---|---|
| General information | |
| Tsawo | 6 km |
| Labarin ƙasa | |
 | |
| Tsarin Daidaiton Labarin Kasa | 36°26′57″S 174°25′51″E / 36.4491°S 174.4309°E |
| Kasa | Sabuwar Zelandiya |
| Territory |
Auckland Region (en)  |
| Hydrography (en) | |
| Ruwan ruwa |
Kaipara Harbour catchment (en) |
| River mouth (en) |
Kaipara Harbour (en) |
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 20 kilometres (12 mi) arewa maso gabas na Helensville . Rikicin ya ƙunshi makiyayar karkara da dazuzzukan dajin.