Since 2000, British expedition teams have shifted their focus to explore the caves around Mount Benarat. As a result, Whiterock cave (at Mount Api) was discovered in 2003. In 2005, Whiterock cave was linked to the Clearwater cave system, further extending the system to ; Api Chamber was also discovered during the same expedition. Subsequent explorations were focused on unearthing more hidden passages in the Whiterock cave. In 2017, Whiterock Cave was measured to and Clearwater Cave was measured to .
