Hiraodai Quasi-National Park is located in Yamaguchi Prefecture, Japan. It is known for its unique karst landscape, featuring limestone formations, caves, and lush greenery. The park covers an area of approximately 1,000 hectares and offers various hiking trails, making it a popular destination for nature lovers and outdoor enthusiasts. The park is home to diverse flora and fauna, including rare species that thrive in its unique environment. Visitors can explore attractions like the Hiraodai Limestone Cave and enjoy panoramic views from the park's elevated areas. The park is also a designated Important Bird Area, attracting birdwatchers year-round.