Ngāhinapōuri is a rural community in the Waipa District and Waikato region of New Zealand's North Island. It is located on State Highway 39, between Whatawhata and Pirongia. The rural area of Koromatua is located to the north, near the Hamilton suburb of Temple View. The Ngāhinapōuri area and surrounding Ōhaupō, Te Rore and Harapēpē area were military outposts during the Waikato War. Military fortifications were built at the settlement and nearby Tuhikaramea and Te Rore in December 1863; Another fortification was built to the north-east, north of Ōhaupō, in April 1864.