Orikaka River
Location
Country	New Zealand
Physical characteristics
Source
• location	Matiri Range
Mouth
• location	Buller River
Length	33 kilometres (21 mi)

The Orikaka River (also known as the Mackley River) is a river of the West Coast Region of New Zealand's South Island. It flows southwest from the southern end of the Matiri Range before turning south to flow into the Buller River five kilometres to the west of Inangahua.

The river physically connects with the Ngākawau River.

• List of rivers of New Zealand

• "Place name detail: Orikaka River". New Zealand Gazetteer. New Zealand Geographic Board. Retrieved 12 July 2009.

41°50′S 171°54′E / 41.833°S 171.900°E / -41.833; 171.900