Hiraodai Limestone Cave is a natural cave located in Hiraodai, Fukuoka Prefecture, Japan. It is known for its stunning limestone formations, including stalactites and stalagmites, which have formed over thousands of years. The cave is part of the Hiraodai Karst, a region famous for its unique geological features and beautiful landscapes. Visitors to Hiraodai Limestone Cave can explore its various chambers and passages, which are accessible through guided tours. The cave is also home to diverse wildlife, including bats, making it an interesting site for both nature lovers and researchers. The surrounding area offers scenic views and hiking opportunities.