Hamurana Spring is the deepest natural fresh water spring on the North Island of New Zealand. Located to the north east of Lake Rotorua, the spring emerges from a rocky area within a Department of Conservation reserve.
Hamurana Springs Reserve
The Hamurana Springs are a collection of springs on the site in Hamurana, located on the north east side of Lake Rotorua, the biggest of which is Hangarua Spring.
The spring is 920 feet (280 m) above sea level and is approximately 15 metres (50 ft) deep. It produces an estimated 4 million litres of crystal clear water per hour at a fairly constant temperature of 10 degrees Celsius. The rock surrounding this spring is vulcanic (rhyolitic). The spring water travels down from the Mamaku Plateau through underground aquifers, taking 70 years to get here.
Dancing Sands Spring
Another identified spring in the reserve is the Dancing Sands spring, named because of the effect of the emerging water on the sand on the bottom of the spring.
The spring flows as a stream for approximately one kilometre in the Hamurana Springs Reserve through a patch of redwoods forest before joining Lake Rotorua. In summer the stream is home to rainbow trout who prefer the cooler temperature of the spring water.
- "Hamurana Springs track". New Zealand Department of Conservation. Retrieved 2009-03-28.
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