Lookout · Limestone Coast
Mount Gambier is a maar volcano complex of four craters — Blue Lake, Valley Lake, Leg of Mutton Lake and Brownes Lake — believed to have last erupted a little before 6,000 years ago and considered dormant rather than extinct (https://en.wikipedia.org/wiki/Mount_Gambier_(volcano)) (Wikipedia)
Camping in the Limestone Coast
Location from OpenStreetMap contributors (ODbL).