The 48,000-hectare (120,000-acre) national park is situated adjacent to the Murray River, approximately 417 kilometres (259 mi) northwest of Melbourne with the nearest regional centre being Mildura.

Les Chandler was variously its president, vice-president, secretary, treasurer and editor.

They agitated to have the Hattah-Kulkyne area declared a national park, which was partially achieved in 1960, with the Hattah Lakes area becoming the Hattah Lakes National Park.

Although there are limited road and tracks, there are several major high tension power and telegraph lines that run through or near the park, around which large areas are cleared.

[1] Over 200 bird species have been recorded in the park, which is overlapped by the Murray-Sunset, Hattah and Annuello Important Bird Area (IBA), so identified by BirdLife International because it contains mallee habitat supporting a suite of threatened mallee bird, including the malleefowl, black-eared miner and mallee emu-wren.