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Sandstone and dolomite architecture
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Cave Garden
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Blue Lake
It's hard to imagine that 30 million years ago Mount Gambier was covered by a warm shallow ocean. The remains of the sea creatures accumulated in a pile on the sea floor and over time turned into limestone.
The Umpherston Sinkhole garden is a fascinating place and in the centre of the town is the Cave Garden. I immediately fell in love with the beautiful heritage and private homes made of limestone and dolomite. The dolomite is a very attractive light shade of pink and is still used in buildings today but I believe it's very expensive and I can understand why.
The Blue Lake is a volcano which erupted about 5000 years ago and is the town's water supply. It has a 5 kilometer circumference and is 30 metres deep. The lake changes colour during the year - between November to March it turns a beautiful turquoise blue, but not today.
Port MacDonnell is a short drive away and well worth a look. They have an extensive lobster fishing fleet and the local fish shop was selling 2 kilo lobsters for $35 a kilo, the cheapest we have seen so far.
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