Dr Craig Challen is an Australian technical diver and cave explorer. He was the recipient of the Oztek 2009 Diver of the Year award for his services to caving.

A veterinary surgeon by profession, Challen has made notable dives in Cocklebiddy Cave and Pearse Resurgence.
In 2010 he made a record setting 194 metre dive whilst caving in New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

See also

• Agnes Milowka
  Agnes Milowka
  Agnes Milowka was an Australian technical diver, underwater photographer, author, and cave explorer.She gained the international recognition for extending the cave systems across Australia and Florida, and as a public speaker and the author on subject of diving and maritime...
  
   on Craig Challen's line in Cocklebiddy Cave