Lake Grace System is a DIWA-listed

wetland A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen-poor ( anoxic) processes taking place, especially ...

in Western Australia. Located on the border of the Shires of Lake Grace and

Kent Kent is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Essex across the Thames Estuary to the north, the Strait of Dover to the south-east, East Sussex to the south-west, Surrey to the west, and Gr ...

, it consists of four lakes, Lake Grace North, Lake Grace South, Lake Altham and Cemetery Lake. It has an area of about . Biogeographically, it is part of the

Western Mallee Western Mallee is an Interim Biogeographic Regionalisation for Australia (IBRA) subregion in southern Western Australia. It is a sparsely populated subregion with an area of about 47,000 square kilometres, roughly centred on the town of Newdegate ...

subregion of the Mallee region of the

South West Botanic Province Southwest Australia is a biogeographic region in Western Australia. It includes the Mediterranean-climate area of southwestern Australia, which is home to a diverse and distinctive flora and fauna. The region is also known as the Southwest Au ...

. It is part of a saline drainage system that extends from near

Ongerup, Western Australia Ongerup is a town and locality in the Shire of Gnowangerup, Great Southern region of Western Australia. It is south-east of Perth and east of Gnowangerup. At the 2021 census Ongerup had a population of 114. History The name Ongerup mea ...

, ultimately draining into Salt River. It is a major breeding area for the

banded stilt The banded stilt (''Cladorhynchus leucocephalus'') is a Bird migration#Short-distance and altitudinal migration, nomadic wader of the stilt and avocet family, Recurvirostridae, native to Australia. It belongs to the monotypic genus ''Cladorhync ...

(''Cladorhynchus leucocephalus'').

References

Grace System, Lake Grace System, Lake Grace System, Lake {{WesternAustralia-geo-stub