|River mouth||Waiotama River|
|Length||12 km (7.5 mi)|
The Waionepu River is a river of the Northland Region of New Zealand's North Island. It flows generally west from its sources south of Maungatapere to reach the Waiotama River 20 kilometres southwest of Whangarei.
"Place Name Detail: Waionepu River". New Zealand Geographic Placenames Database. Land Information New Zealand. Retrieved 12 July 2009.
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