Little Blue Lake
Having been in both summer and winter, I very much recommend going in winter when it's not full of other people. Enjoy the serenity and freedom of a solo plunge in a crystal clear sink hole lake in amongst the limestone cliffs.
A while away from the Blue Lake in Mount Gambier is a smaller blue lake, inventively named the Little Blue Lake. It's a beautiful spot to swim.
Having been in both summer and winter, I very much recommend going in winter when it's not full of other people. Enjoy the serenity and freedom of a solo plunge in a crystal clear sink hole lake in amongst the limestone cliffs.
It's no secret where it is. So popular it's marked on the map twice:
I've not jumped off any of the higher cliffs, but I've seen others do it. It should be fine, but as always, check first!