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Mangapapa River
Etymology	Maori meaning "flat stream"
Native name	Mangapapa (Māori)
Location
Country	New Zealand
Region	Manawatū-Whanganui
District	Rangitikei
Physical characteristics
Source	3 km (1.9 mi) west of Mataroa
• coordinates	39°38′41″S 175°41′26″E / 39.64472°S 175.69056°E / -39.64472; 175.69056
• elevation	660 metres (2,170 ft)
Mouth	Turakina River
• coordinates	39°48′10″S 175°30′58″E / 39.802882°S 175.516119°E / -39.802882; 175.516119
• elevation	150 metres (490 ft)
Length	55 kilometres (34 mi)
Basin features
Progression	Mangapapa River
River system	Turakina River → Turakina River

The Mangapapa River is a river of the Manawatū-Whanganui region of New Zealand's North Island. The river rises near the remote settlement of Mangapapa, northwest of Mangaweka. It flows westward through heavily eroded hilly farmland to meet the Turakina River. There is a 12-metre (39 ft) waterfall on the lower reaches of the river.

• List of rivers of New Zealand

• "Place name detail: Mangaoparo River". New Zealand Gazetteer. New Zealand Geographic Board. Retrieved 12 July 2009.
• NZ 1:50000 Topographic Map sheet BK34 - Pohonui.