Ōruawharo River

Ōruawharo River
The Oruawharo River as seen from Ātiu Creek Regional Park, draining into the Kaipara Harbour
Route of the Ōruawharo River
Mouth of the Ōruawharo River
Ōruawharo River (Northland Region)
Ōruawharo River (New Zealand)
Location
CountryNew Zealand
RegionNorthland Region, Auckland Region
Physical characteristics
SourceConfluence of the Topuni River and Maeneene Creek
  coordinates36°15′31″S 174°28′11″E / 36.2587°S 174.4697°E / -36.2587; 174.4697
MouthŌruawharo River
  coordinates
36°17′52″S 174°17′02″E / 36.2978°S 174.284°E / -36.2978; 174.284
Basin features
ProgressionŌruawharo RiverKaipara HarbourTasman Sea
LandmarksHargreaves Basin
Tributaries 
  leftWharehine River, Wharehanu Creek, Takapau Creek, Takahe Creek, Atiu Creek, Mullet Creek, Oturapa Creek
  rightKoareare Creek, Kaira Creek

The Ōruawharo River is a river on the North Auckland Peninsula of New Zealand. It flows westward into the Kaipara Harbour west of Wellsford. It forms part of the boundary between the Northland region and the Auckland Region.

The New Zealand Ministry for Culture and Heritage gives translations of "place of [a] stretched-out pit" or "place of Ruawharo [a personal name]" for Ōruawharo.