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Story: Whanganui places

Mangaweka deviation viaduct

  • North Rangitīkei

    Built: 1981

    Length: 110m

    Height: 81m

  • Kawhatau

    Built: 1981

    Length: 110m

    Height: 73m

  • South Rangitīkei

    Built: 1981

    Length: 315m

    Height: 78m

  • Makōhine

    Built: 1902

    Length: 229m

    Height: 72.5m

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The 7-kilometre Mangaweka deviation, opened in 1981, is the most substantial realignment of the North Island main trunk railway since the line was completed in 1908. The new route moved the line away from unstable land, requiring the construction of three massive viaducts, which are among the highest in New Zealand, and are unique in their close proximity to each other. The earlier Mangaweka viaduct was dismantled when the deviation was opened, but the Makōhine viaduct, just south of Ōhingaiti, is still in use.

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How to cite this page

Diana Beaglehole, Whanganui places – Taihape district, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/interactive/18984/mangaweka-deviation-viaduct (accessed 10 June 2026).

Story by Diana Beaglehole, published 3 March 2009, updated 15 June 2015.