The Queen Mary Falls is a plunge waterfall on Spring Creek, in the Darling Downs region of Queensland, Australia.

Location and features

The falls are situated in the Main Range National Park and descend 40 m from the McPherson Range near the Queensland/New South Wales border. They are located 50 km south-east of and 10 km east of the town of. The falls formed when water erosion by streams created gorges through layers of basalt and resistant trachyte. The falls are currently retreating as large blocks at the bottom of the falls were not evident in photos taken in the 19th century. Facilities at the falls include toilets, tables and fireplaces. Four other waterfalls are located in the area surrounding Killarney, including the Teviot Falls, Daggs Falls, Browns Falls and Upper Browns Falls.