Landsat 7 imagery of Lake Mungo. The white line defining the eastern shore of the lake is the sand dune, or lunette, where most archaeological material has been found

Lake Mungo is a dry lake in the south-western part of New South Wales, Australia. It is about 760 km due west of Sydney and 90 km north-east of Mildura. The lake is the main feature of Mungo National Park. It is one of 17 lakes in the World Heritage listed Willandra Lakes Region.