Starting at Lake Taupo the mighty Waikato is New Zealand's longest river at 425 kms before flowing into the Tasman Sea just south of Auckland. Over time the river has churned a channel through the geothermally altered rock 15 metres wide and 10 metres deep towards Huka Falls.
About 2000 litres of water surge 9 metres over the falls a second. The falls are gradually moving south towards the lake all the time as the force of the water erodes the rocks. Upstream of the falls the river is clear and reflective but once over the fall after picking up all the air bubbles the falls are named after the Maori name for ‘foam’. The flow over the falls are so strong that native fish and eels are unable to swim upstream to the lake.
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