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Story: Hauraki–Coromandel region

The Hauraki Plains

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The Hauraki Plains

The Piako River flows past the township of Ngātea on the Hauraki Plains. The flat, fertile plains have been enriched by alluvial muds, sands and gravels deposited up to 20,000 years ago by the Waikato River before its course changed, and more recently by the Piako and Waihou rivers.

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Ngatea Water Gardens

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How to cite this page

Paul Monin, Hauraki–Coromandel region – Geology and landscape, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/photograph/30360/the-hauraki-plains (accessed 4 June 2026).

Story by Paul Monin, published 13 December 2010, updated 1 April 2016.