The Great Otway National Park is a national park located in the Barwon South West region of Victoria, Australia. The 103,185-hectare (254,980-acre) national park is situated approximately 162 kilometres (101 mi) southwest of Melbourne, in the Otway Ranges, a low coastal mountain range; its highest peak is Mount Cowley, 670 metres (2,198 feet), and is within the park. The park contains a diverse range of landscapes and vegetation types.