| Lake Jasper | |
|---|---|
| Location | Western Australia |
| Lake type | freshwater lake |
| Basin countries | Australia |
| Max. length | 4 kilometres (2 mi) |
| Max. width | 2 kilometres (1 mi) |
| Surface area | 450 hectares (1,112 acres)[1] |
| Average depth | 3 metres (10 ft) |
| Max. depth | 10 metres (33 ft)[2] |
Lake Jasper is a permanent freshwater lake in the South West area of Western Australia. The lake is the largest freshwater lake in Western Australia.[3]
The lake is located on a flat sandy plain, the Scott Coastal Plain, with a high dune ridge to the west and the Donnelly River to the East. The lake is contained within the boundaries of the D'Entrecasteaux National Park. A camp site exists on the eastern side of the lake with fireplaces and picnic tables, the camp site is only accessible by 4WD.[4]
Lake Jasper has two smaller lakes located to the East; Lake Wilson and Lake Smith. All of these bodies are part of the Donnelly River catchment area and they all are inhabited by all of the regions endemic freshwater fish species.[5] The lake has significant floristic value as it supports an extensive area of tall sedgeland. The area is also an important habitat for fish, waterbirds, invertebrates and frogs.
The,lake is known as a White Water Lake due to the lack of tannic acid in the water allowing good light disperson. The lake water is of a high quality[6] and high quality artesian water also exists in the area.[7]