Highway to underwater heaven

MIDDLE-OF-THE-ROAD-HOLE: The Allendale Sinkhole is situated in the middle of the Riddoch Highway – locally known as Bay Road – in the small township of Allendale East. It is frequented by national and international cave divers and tourists. Pictures: LEON RADEMEYER

A UNIQUE sinkhole in the middle of a state highway linking Mount Gambier and Port MacDonnell has been attracting cave divers to the South East for many decades.

Known as “The Middle of the Road Hole” the Allendale Sinkhole is located in the heart of the small Allendale East


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