Lake Grace System

{{Short description|Wetlands in Western Australia}}

{{Use Australian English|date=April 2016}}

{{Use dmy dates|date=April 2016}}

Lake Grace System is a DIWA-listed wetland in Western Australia. Located on the border of the Shires of Lake Grace and Kent, it consists of four lakes, Lake Grace North, Lake Grace South, Lake Altham and Cemetery Lake. It has an area of about {{convert|132|km2|abbr=on}}.{{Australian Wetlands Database | name = Lake Grace System | code = WA055}}

Biogeographically, it is part of the Western Mallee subregion of the Mallee region of the South West Botanic Province.{{cite web | author = Beecham, Brett and Alan Danks | title = Mallee 2 (MAL2 - Western Mallee subregion) | work = A Biodiversity Audit of Western Australia's 54 Biogeographical Subregions in 2002 | publisher = Department of Conservation and Land Management | url = http://www.naturebase.net/pdf/science/bio_audit/mallee02_p435-465.pdf | accessdate = 2007-02-24}} It is part of a saline drainage system that extends from near Ongerup, Western Australia, ultimately draining into Salt River. It is a major breeding area for the banded stilt (Cladorhynchus leucocephalus).