Onkaparinga River National Park is located in South Australia, near the city of Adelaide. The park features stunning landscapes, including rugged cliffs, deep gorges, and diverse ecosystems. It is home to various wildlife species, making it a great spot for nature enthusiasts and birdwatchers. Visitors can enjoy numerous walking trails that offer scenic views of the Onkaparinga River and surrounding areas. The park also provides opportunities for picnicking, fishing, and photography, making it a popular destination for families and outdoor adventurers alike.