|Main source||Mount Raukumara|
|River mouth||Waiapu River|
|Length||21 km (13 mi)|
The Mangaoparo River is a river of the Gisborne Region of New Zealand's North Island. It is located close to the island's northeasternmost point, flowing southeast from the slopes of Mount Raukumara in the Raukumara Range to reach the Waiapu River 5 kilometres (3 mi) northeast of Ruatoria.
- "Place Name Detail: Mangaoparo River". New Zealand Geographic Placenames Database. Land Information New Zealand. Retrieved 12 July 2009.
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