Lake Numalla is located in the Mulga Lands bioregion of Western Queensland, Australia.

The area has a very dry climate, with unpredictable low rainfall (450mm-650mm per year).

[1] These provide significant waterbird habitats at times of drought and for migrating waders which travel across inland Australia.

[2] 200 bird species have been recorded in the park.

[3] The lake is part of Currawinya National Park and is a site listed under the Ramsar Convention.