Country/territory: Australia
Subnational regions: Western Australia
Central coordinates (latitude / longitude): 34°23'48"S / 118°02'39"E (-34.3967° / 118.0443°)
Area (reported): 111,659 hectares / 1,116.59 km² / 275,915 acres / 431.12 square miles
Altitude: 250–1100 m (820–3,610 ft)