Umpherston Sinkhole

The Umpherston Sinkhole (or the Sunken Garden) is one of the most spectacular gardens located in the Mount Gambier region. Umpherston sinkhole was once a typical limestone cave that formed by the corrosion of limestone rocks by seawater waves and the sinkhole was naturally created when the chamber’s roof collapsed. Umpherston Sinkhole Cave Garden, Address … Continue reading Umpherston Sinkhole