Lake Boomanjin is a large

perched lake The water table is the upper surface of the zone of saturation. The zone of saturation is where the pores and fractures of the ground are saturated with water. It can also be simply explained as the depth below which the ground is saturated. T ...

in the

Fraser Coast Region The Fraser Coast Region is a local government area in the Wide Bay–Burnett region of Queensland, Australia, about north of Brisbane, the state capital. It is centred on the twin cities of Hervey Bay and Maryborough and also contains Fraser I ...

Queensland, Australia ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

. The lake is located on

Fraser Island Fraser Island (Butchulla: ) is a World Heritage-listed island along the south-eastern coast in the Wide Bay–Burnett region, Queensland, Australia. The island is approximately north of the state capital, Brisbane, and is within the Fraser ...

(also known as K'gari and Gari) in the

Great Sandy National Park Great Sandy National Park is a coastal national park in the Fraser Coast Region, Queensland, Australia. Geography The park features untouched beaches, large sand dunes, heathlands, rainforests, swamps, creeks, freshwater lakes and mangrove fores ...

. Lake Boomanjin is considered the largest perched lake in the world, meaning that the lake floor is above the water table. It is one of 40 perched lakes on Fraser Island, all of which make up half of the known perched lakes in the world. The lake is known for its reddish brown color, which is caused by

colored dissolved organic matter Colored dissolved organic matter (CDOM) is the optically measurable component of dissolved organic matter in water. Also known as '' chromophoric'' dissolved organic matter, ''yellow substance'', and ''gelbstoff'', CDOM occurs naturally in aquat ...

including

tannins Tannins (or tannoids) are a class of astringent, polyphenolic biomolecules that bind to and precipitate proteins and various other organic compounds including amino acids and alkaloids. The term ''tannin'' (from Anglo-Norman ''tanner'', f ...

from tea trees growing in its watershed. Its inflow comes from two small creeks that pass through

wallum Wallum, or wallum country, is an Australian ecosystem of coastal south-east Queensland, extending into north-eastern New South Wales. It is characterised by flora-rich shrubland and heathland on deep, nutrient-poor, acidic, sandy soils, and re ...

swamp, providing the sources of the dissolved matter that creates the unique color. Lake Boomanjin’s floor is covered in white quartz-rich sands. Carnivorous plants,

bladderworts ''Utricularia'', commonly and collectively called the bladderworts, is a genus of carnivorous plants consisting of approximately 233 species (precise counts differ based on classification opinions; a 2001 publication lists 215 species).Salmon, Br ...

, can be found near the lake. Compared to nearby lakes with clearer water, Lake Boomanjin gets less attention from tourism overall. There is a campsite on Lake Boomanjin managed as part of the K’gari Recreation Area within Great Sandy National Park. Lake Boomanjin is a sacred location for the

Butchulla People The Butchulla, also written Butchella, Badjala, Badjula, Badjela, Bajellah, Badtjala and Budjilla are an Aboriginal Australian people of K'gari, Queensland, and a small area of the nearby mainland of southern Queensland. Language The Butchulla ...

, the original inhabitants of the Fraser Coast Region.

References

{{reflist Fraser Coast Region Lakes of Queensland Bodies of water of Queensland Lakes of Australia

See also

References