The Waikamaka River is a river of the Manawatu-Wanganui Region of New Zealand's North Island. It is a tributary of the Whakaurekou River, part of the Rangitikei River system. The Waikamaka flows northwest from its sources in the Ruahine Range to reach the Whakaurekou 15 kilometres (9 mi) east of Taihape.
"Place Name Detail: Waikamaka River". New Zealand Geographic Placenames Database. Land Information New Zealand. Retrieved 12 July 2009.
Coordinates: 39°39′S 176°03′E / 39.650°S 176.050°E