Koonalda Cave is a limestone cave located in the Nullarbor Plain of South Australia. It is known for its unique geological formations and archaeological significance. The cave features stunning stalactites and stalagmites, which have formed over thousands of years. The cave is also important for its Aboriginal heritage, as it contains evidence of human habitation dating back thousands of years. Artifacts found in Koonalda Cave provide insight into the lives of the Indigenous peoples of the region, particularly the Ngadju people, who have a deep cultural connection to the land.