| Ōmaha River | |||||||||||||||||
| Map: |
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| Map Size: | 270px | ||||||||||||||||
| Pushpin Map: | Auckland#New Zealand | ||||||||||||||||
| Pushpin Map Size: | 270px | ||||||||||||||||
| Pushpin Map Caption: | Mouth of the Ōmaha River | ||||||||||||||||
| Subdivision Type1: | Country | ||||||||||||||||
| Subdivision Name1: | New Zealand | ||||||||||||||||
| Subdivision Type2: | Region | ||||||||||||||||
| Subdivision Name2: | Auckland Region | ||||||||||||||||
| Length: | 7abbr=onNaNabbr=on | ||||||||||||||||
| Source1 Coordinates: | -36.3359°N 174.7199°W | ||||||||||||||||
| Mouth: | Whangateau Harbour | ||||||||||||||||
| Mouth Coordinates: | -36.3157°N 174.7571°W | ||||||||||||||||
| Progression: | Ōmaha River → Whangateau Harbour → Hauraki Gulf / Tīkapa Moana | ||||||||||||||||
| Tributaries Left: | Tamahunga Stream | ||||||||||||||||
The Ōmaha River is a river of the Auckland Region of New Zealand's North Island. It flows south to reach the Pacific Ocean at the western end of Whangateau Harbour, 3km (02miles) west of Ōmaha.