On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Geiger's Garden, Mt Titiroa, Te Anau Basin

Water resources technician Jani Diettrich took this moody study while tramping on Mt Titiroa in the Te Anau basin. The summit area, known as Geiger’s Garden, is remarkable for its peculiar white granite boulders. Credit: Jani Diettrich