Story: Conservation – a history

Glacial erratic

Glacial erratic

This large boulder forms the smallest scientific reserve in the country, near Te Anau. Known as a glacial erratic, the boulder has been carried 50 kilometres from its source in the mountains by glacier ice during a past ice advance.

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Private collection
Photograph by Bruce Hayward

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How to cite this page:

Simon Nathan, 'Conservation – a history - Rivers, landforms and geysers', Te Ara - the Encyclopedia of New Zealand, (accessed 23 October 2021)

Story by Simon Nathan, published 24 Sep 2007, updated 1 Aug 2015