|Basin countries||New Zealand|
|Length||12 km (7.5 mi)|
The Topuni River is a river of the Northland Region of New Zealand's North Island. It flows generally south, with most of its length being through a drowned valley in the northeast of the Kaipara Harbour system. The Topuni River reaches the Oruawharo River — an arm of the Kaipara — 10 kilometres northwest of Wellsford.
"Place Name Detail: Topuni River". New Zealand Geographic Placenames Database. Land Information New Zealand. Retrieved 12 July 2009.
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