Lake Wabby is a small freshwater, green colored lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

. It is located in the Great Sandy National Park

Great Sandy National Park

Great Sandy is a coastal national park and suburb in Queensland, Australia. The park features untouched beaches, large sand dunes, heathlands, rainforests, swamps, creeks, freshwater lakes and mangrove forests....

 on the eastern side of Fraser Island off the coast of Queensland

Queensland

Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...

, Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. The lake is directly adjacent to a sand blow, which is slowly moving into the lake. Eventually it will disappear under the sand.

Unlike most other lakes on Fraser Island which are too acidic, Lake Wabby provides habitat to several species of fish.

The lakes is both a window lake and a barrage lake. Barrage lakes form when water flows from a natural spring are blocked by a sandmass. With a maximum depth of 12 m, it is the deepest lake on the island.