The Hunua Ranges form a block of hilly country to the southeast of Auckland in New Zealand's North Island. They cover some , containing 178 km² of parkland, and rise to 688 metres (2255 ft) at Kohukohunui. Auckland gets much of its water from reservoirs within the Hunua Ranges. The ranges contain many rivers and streams, including the Hunua Falls on the Wairoa River, which is a popular tourist and local spot in the Ranges.