|River mouth||Hutt River|
|Length||20 km (12 mi)|
The Mangaroa River is a river of the Wellington Region of New Zealand's North Island. It flows north from the western foothills of the Rimutaka Range to the west of Lower Hutt, meeting with the Hutt River on the northern outskirts of Upper Hutt.
"Place Name Detail: Mangaroa River". New Zealand Geographic Placenames Database. Land Information New Zealand. Retrieved 12 July 2009.
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