Hiraodai is a scenic karst landscape located in Yamaguchi Prefecture, Japan. It features unique limestone formations, caves, and lush greenery, making it a popular destination for nature lovers and hikers. The area is part of the Hiraodai Quasi-National Park, which offers various trails and viewpoints to explore. The region is also known for its rich biodiversity, hosting numerous plant and animal species. Visitors can enjoy activities such as rock climbing and birdwatching, while the stunning views of the surrounding countryside provide a picturesque backdrop for outdoor adventures.