What is "mamaku"

Mamaku is a small town in the Bay of Plenty Region of the North Island of New Zealand. It lies on the Mamaku Plateau at an elevation of above sea level. Situated at the highest point of the now-mothballed Rotorua Branch railway line, the town is south of State Highway 5. As of the 2006 census, the normally-resident population of Mamaku was 726, of whom 37.4% identified their ethnicity as Māori.