|Main source||Inland Kaikoura Range|
|River mouth||Awatere River|
|Length||13 km (8 mi)|
The Winterton River is a river of the Marlborough Region of New Zealand's South Island. It flows generally north from the Inland Kaikoura Range to reach the Awatere River 30 kilometres (19 mi) northeast of Molesworth Station.
"Place Name Detail: Winterton River". New Zealand Geographic Placenames Database. Land Information New Zealand. Retrieved 12 July 2009.
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