Portraits of four Maori in two groups by George French Angas, 1847. Mananui Te Heuheu and Iwikau Te Heuheu (sitting) are on the
left, with the palisades of their pa, Te Rapa, at Taupo behind them. Apihai Te
Kawau and his nephew Tamakihi Te Rewiti are on the right, with the wall
of a whare and a view of Orakei Bay, Auckland, behind them.
Horonuku (Te Heuheu Tūkino IV), the paramount chief of Ngāti Tūwharetoa, signed a deed presenting the mountain tops of Tongariro, Ngāuruhoe and Ruapehu to the Crown for the purpose of establishing a national park.