The Ingalalla Waterfalls, also known as Ingalalla Falls, is a cascade waterfall in the Australian state of South Australia, located in the locality of Hay Flat within the District Council of Yankalilla, on an unnamed creek on the Fleurieu Peninsula. The waterfall is situated approximately 8.3 kilometres (5.2 mi) south of the town of Yankalilla and 70 kilometres (43 mi) south southwest of the state capital of Adelaide, the waterfalls descend from an elevation of 253 metres (830 ft) above sea level in the range of 81–92 metres (266–302 ft) to the Second Valley below.