NOT KNOWN FACTS ABOUT MOUNT GAMBIER BLUE LAKE

My associate and I are common divers. We know if you need to snorkel / dive at Pincanninie Ponds you need a allow. Are you able to dive during the Blue Lake? If that is so exactly where is the greatest entry level etcetera?I believe the best time to go to Mount Gambier is close to October / November. This is certainly spring time as well as the Sol