|River mouth||Tasman Sea|
|Length||26 km (16 mi)|
The Waimamaku River is a river of the Northland Region of New Zealand's North Island. It flows west from the Mataraua Forest to reach the Tasman Sea eight kilometres south of the mouth of the Hokianga Harbour.
Water of Mamaku Fern (Centennial Atlas draft 1941) 
"Place Name Detail: Waimamaku River". New Zealand Geographic Placenames Database. Land Information New Zealand. Retrieved 12 July 2009.
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