Ronga River
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.
References
"Place name detail: Ronga River". New Zealand Gazetteer. New Zealand Geographic Board. Retrieved 12 July 2009.
41°13′S 173°36′E / 41.217°S 173.600°E