Here are a few interesting facts that we picked up along the way:
- Mt Gambier gets it’s water supply from the Blue Lake (and as a matter of fact I hated the taste. It tasted like bore water – luckily Mum bought some Geelong water with us.)
- The Blue Lake holds 36,000 million litres of water and the residents consume 3,600 million litres annually.
- There are many caves and tunnels under Mount Gambier that the water flows through (including Engelbrecht caves.)
- The Blue Lake sits in the crater of an extinct volcano which erupted around 4,500 years ago.
- The Mount Gambier volcano is considered to be one of the youngest in Australia.
- Port MacDonnell calls itself the Southern Rock Lobster Capital of Australia, because of all the lobster caught there.
- Cape Northumberland at Port MacDonnell is the southernmost point of South Australia.










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