The worlds largest sand island, Fraser Island is an area of remarkable natural beauty. It was listed as a World Heritage Area in 1992. Lake Wabby is the deepest lake on Fraser Island. Its shore lies at the advancing edge of the Hammerstone Sandblow. The Lake Wabby Track will take you to a splendid lookout offering a view of this barrage lake and the sandblow that is slowly engulfing it. From here, walk to the shore of Lake Wabby for a refreshing swim.