Little Blue Lake
| Little Blue Lake | |
|---|---|
| Baby Blue, 5L9 | |
| Location | Mount Salt Road, Mount Schank South Australia, 5291, Australia |
| Coordinates | 37°55′45″S 140°40′42″E / 37.9292°S 140.678297°E |
| Depth | 45 metres (148 feet) |
| Geology | Miocene limestone |
| Difficulty | Above water - no stated difficulty Underwater - CDAA Deep Cavern grade |
| Hazards | Deep freshwater |
| Access | Above water - public (no disabled access). Underwater - CDAA members only - often poor underwater visibility and silting. |
| Visitors | Yes |
| Cave survey | Lewis, Reardon, Stace and Horne, 1980 CDAA, 1990s |
Little Blue Lake is a water-filled sinkhole (“cenote”) in the Australian state of South Australia located in the state's south-east in the locality of Mount Schank about 20 kilometres (12 mi) south of the municipal seat of Mount Gambier. It is notable locally as a swimming hole and nationally as a cave diving site. It is managed by the District Council of Grant and has been developed as a recreational and tourism venue.