WEwens Ponds is a series of three water-filled limestone sinkholes in the Australian state of South Australia located in the gazetted locality of Eight Mile Creek on the watercourse known as Eight Mile Creek about 25 kilometres south of Mount Gambier and 8.4 kilometres east of Port Macdonnell. The ponds are popular with recreational divers due to underwater visibility of up to 80 metres. It has a large fish population including the endangered golden pygmy perch. Ewens Ponds has been part of the Ewens Ponds Conservation Park since 1976.
WFossil Cave (5L81), formerly known as The Green Waterhole, is a cave in the Limestone Coast region of south-eastern South Australia. It is located in the gazetted locality of Tantanoola about 22 kilometres north-west of the city of Mount Gambier, only a few metres from the Princes Highway between Mount Gambier and Millicent. It is notable both as a paleontological site and as a cave diving site.
WThe Grotto is a sinkhole geological formation and tourist attraction, found on the Great Ocean Road outside Port Campbell in Victoria, Australia. Wooden steps wind down the cliff face to the bottom, providing visibility of the sea beyond a pool at low tide.
WKoonalda Cave is a cave in the Australian state of South Australia, on the Nullarbor Plain in the locality of Nullarbor. It is notable as an archeological site.
WLittle Blue Lake is a water-filled doline 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.
WNumby Numby, also known as Nimby Nimby or Ngambingambi, is a sinkhole in the Northern Territory of Australia located in the locality of Mcarthur about 25 to 30 kilometres west-northwest of Borroloola.
WPiccaninnie Ponds Conservation Park, formerly the Piccaninnie Ponds National Park, is a protected area of 862 hectares located in southeastern South Australia near Mount Gambier.
WMount Gambier is the second most populated city in South Australia with an estimated urban population of 29,639. The city is located on the slopes of Mount Gambier (volcano) in the south east of the state, about 450 kilometres (280 mi) south-east of the capital Adelaide and just 17 kilometres (11 mi) from the Victorian border, it is the most important settlement in the Limestone Coast region and the seat of government for both the City of Mount Gambier and the District Council of Grant.