Adelaide ● Mount Gambier ● Casterton ● Portland ● Robe Enjoy a fun tour to our cool South-Eastern corner of South Australia. Be amazed by the beauty of the Sinkhole Gardens and experience the bluest lake you will ever see! Stunning volcanic landscapes. Visit Casterton, and enjoy the amazing Kelpie Festival including competitions and World Champion Kelpie dog judging. Travel to Historic Portland on the Shipwreck Coast and visit the fascinating Maritime Museum & ride the Cable Car taking you to the historic origins of Victoria’s first settlement.