[1] Several watercourses run through the property, including Coongan River, Emu, Sandy, and Badgeyong Creeks, which also contain several permanent pools of water.

[3] In 1890, George Dudley and Alfred Howden Drake-Brockman took up land on what is now Mount Edgar Station.

[3] In 1942 the Royal Australian Air Force built a secret airbase on the station, adjacent to the 1891 homestead.

[3] In 2015 the property occupied an area of 214,698 hectares (530,530 acres) and was stocked with 4,800 head of shorthorn and droughtmaster cattle.

[7] The Heritage Council of Western Australia has listed the Corunna Downs Station and Former Wartime Airbase as culturally significant sites.