Wairoa River (Northland)
| Wairoa River | ||
 The Manganui-Wairoa-Wairua River System in Northland |
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| Data | ||
| location | Northland Region , North Island (New Zealand) | |
| River system | Wairoa River | |
| Drain over | Kaipara Harbor → Tasman Sea | |
| origin | Confluence of the Manganui and Wairua Rivers northeast of Dargaville 35 ° 54 ′ 19 ″ S , 173 ° 57 ′ 5 ″ E |
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| muzzle | near Ruawai in Kaipara Harbor Coordinates: 36 ° 11 ′ 4 " S , 174 ° 3 ′ 30" E 36 ° 11 ′ 4 " S , 174 ° 3 ′ 30" E
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| Catchment area | 3650 km² | |
 Wairoa River at Dargaville |
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The Wairoa is a river running through the northern part of the Northland Peninsula on New Zealand's North Island .
In addition to it, there are other rivers with this name in New Zealand, as Wairoa is the term for long water in the Maori language . The river is therefore also known as Northern Wairoa ; At over 150 km in length, it is the longest river of that name in New Zealand and the longest river in the Northland region .
The Wairoa has two headwaters, the Manganui River and the Wairua River . These two rivers join northeast of Dargaville to form the Wairoa River .
With an approximately 40 km long, navigable estuary from Dargaville, the Wairoa River flows into Kaipara Harbor . The estuary and Tasman Sea form the Pouto Peninsula here . It is influenced by the tides over a length of 100 km .
