| Waireia River | |||||||||||||||||
| Map: |
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| Map Size: | 270px | ||||||||||||||||
| Pushpin Map: | Auckland#New Zealand | ||||||||||||||||
| Pushpin Map Size: | 270px | ||||||||||||||||
| Pushpin Map Caption: | Mouth of the Waireia River | ||||||||||||||||
| Subdivision Type1: | Country | ||||||||||||||||
| Subdivision Name1: | New Zealand | ||||||||||||||||
| Subdivision Type2: | Region | ||||||||||||||||
| Subdivision Name2: | Auckland Region | ||||||||||||||||
| Length: | 8abbr=onNaNabbr=on | ||||||||||||||||
| Source1 Coordinates: | -36.3314°N 174.4207°W | ||||||||||||||||
| Mouth: | Wharehine River | ||||||||||||||||
| Mouth Coordinates: | -36.2974°N 174.432°W | ||||||||||||||||
| Progression: | Waireia River → Wharehine River → Oruawharo River → Kaipara Harbour → Tasman Sea | ||||||||||||||||
The Waireia River is a river of the Auckland Region of New Zealand's North Island. Part of the Kaipara Harbour system, it flows north to meet the Oruawharo River 10km (10miles) west of Wellsford.