|River mouth||Rai River|
|Length||10 km (6 mi)|
The Ronga River is a river of the Marlborough Region of New Zealand's South Island. Although its source is on a ridge only 3 kilometres (2 mi) from the island's north coast, the river flows south, reaching the Rai River close to the township of Rai Valley.
"Place Name Detail: Ronga River". New Zealand Geographic Placenames Database. Land Information New Zealand. Retrieved 12 July 2009.
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