Lake Warden (Western Australia)

Lake Warden is a large ephemeral salt lake located in the Goldfields-Esperance region of Western Australia, approximately 40 kilometers (25 mi) north of Esperance. It forms part of the Lake Warden System, a wetland complex recognized as a Ramsar site of international importance.

The lake’s catchment area primarily consists of agricultural land, and its water levels fluctuate dramatically depending on rainfall and evaporation rates. In dry years, the lake bed can be almost entirely exposed, while in wet years it fills substantially.

The Lake Warden System is significant for its biodiversity, providing habitat for a variety of waterbirds, including migratory species protected under international agreements. The vegetation surrounding the lake includes salt-tolerant shrublands and woodlands.

Environmental concerns associated with Lake Warden include salinity, water quality degradation due to agricultural runoff, and the potential impacts of climate change on water availability. Conservation efforts focus on managing water resources, controlling salinity, and protecting the lake's ecological values. The Department of Biodiversity, Conservation and Attractions in Western Australia is responsible for managing the lake and its surrounding environment.