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Australian divers reach record depths in caves
Australian divers have broken yet another cave diving record in the depths of the Pearse River resurgence and revealed the underwater cave system is linked to Mt Arthur's Nettlebed Cave system.
Unrelated filephoto: Lower levels of Nettlebed Cave, New Zealand
Nelson Mail | Stuff.co.nz | Australian divers reach record depths in caves | 01-20-2012
Diver and explorer Craig Challen pushed the human limit, reaching 221m, breaking the 194m record he set in the river cave last January and setting an Australasian record.
Nettlebed Cave is a limestone cave located in the Mount Arthur region of the northwest South Island of New Zealand.
Until April 2010, when the nearby Ellis Basin cave system was found to be deeper, Nettlebed Cave was thought to be the deepest cave system in the southern hemisphere. It drops 889 metres below its upper entrance (Blizzard Pot) to its lower exit (Pearse Resurgence), and its 24 kilometres of cave passages make it New Zealand's third longest cave, according to an entry on Wikipedia
Team leader Adelaide's Dr Richard Harris said marker dye dropped by Nelson cavers in the Nettlebed system was seen by divers below 200m and indicated the system was more than 1000m long. However, the connection could be proved only when it was travelled and charted.
It was the third time the group had explored the system in the last three years. Mr Challen said at the end of each trip the group's consensus was that they did not want to return.
Primary source â–º Australian divers reach record depths in caves
Further reading â–º Wikipedia
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