Te Rau-o-te-Huia / Mount Donald McLean is a hill in the Waitākere Ranges of the Auckland Region of New Zealand's North Island. It is located to the south of the ranges, near the township of Huia. It is the highest peak of the Waitākere Ranges that borders the Manukau Harbour.

The Waitākere Ranges is a mountain range in New Zealand. Located in West Auckland between metropolitan Auckland and the Tasman Sea, the ranges and its foothills and coasts comprise some 27,720 hectares of public and private land. The area, traditionally known to Māori as Te Wao Nui o Tiriwa, is of local, regional, and national significance. The Waitākere Ranges includes a chain of hills in the Auckland Region, generally running approximately 25 kilometres (16 mi) from north to south, 25 km west of central Auckland. The ranges are part of the Waitākere Ranges Regional Park.