William Bay National Park, located in Western Australia's Great Southern region, is a gem for nature lovers. With its stunning Greens Pool and Elephant Rocks, this park offers a natural reef that creates a safe swimming spot for kids. The park also boasts diverse landscapes, from peppermint scrub to karri forests, making it a perfect destination for bushwalking and birdwatching. Plus, fishing enthusiasts can try their luck along the rocky shores. Overall, William Bay National Park is a must-visit for anyone looking to soak up some Aussie coastal beauty and outdoor adventures.