Mount Gambier in South Australia is a captivating destination known for its abundance of caves and sinkholes, offering travelers a unique opportunity to explore the geological wonders of the region. The Limestone Coast is home to over 50 water-filled sinkholes and more than 800 caves, all formed approximately 5,000 years ago as a result of volcanic activity.
Among the notable caves in the area are Engelbrecht Cave, Naracoorte Caves, Tantanoola Caves, and Princess Margaret Rose Cave. These caves, predominantly carved out of limestone rock, provide insights into the earth's ancient history, featuring intricate formations, underground lakes, and fossil remnants.