What are the two main mountain ranges in South Australia?

The two main mountain ranges in South Australia are the Mount Lofty Ranges and the Flinders Ranges. The Mount Lofty Ranges are located in the southern part of the state and run for about 250 kilometres from north to south. The highest point in the range is Mount Lofty, which has an elevation of 727 metres. The Flinders Ranges are located in the north of the state and run for about 450 kilometres from north to south. The highest point in the range is Mount St Mary, which has an elevation of 1,170 metres.