Umpherston Sinkhole
Excerpt
A giant garden inside a sinkhole—filled with hanging vines, flowers, and perfect picnic spots year-round.

Description
A collapsed limestone cave transformed into a breathtaking sunken garden. No swimming, but ideal for walking, relaxing, and photography.
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Location: Mount Gambier, South Australia
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Lat: -37.8296 | Long: 140.7826
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Features: Sunken garden, viewing decks, accessible paths