Bitchu Bell Breast Hole

This limestone cave is known as Japan's oldest recorded limestone cave, which was recorded in the ``Japan's Three Great Annals'' written in the Heian period. Of the total length of approximately 800m, approximately 300m is currently open to the public as a tourist cave. You will be overwhelmed by the dynamic scenery, including the ``Five-storied Pagoda,'' which is said to be the tallest in Japan and is made up of 22 levels of stalactites, and the large stalagmite ``Caunai Fuji,'' which is 3 meters high and 5 meters in diameter. The temperature inside the cave is 9 degrees throughout the year, making it a cool spot in the summer and warm in the winter. From late June to early July, you can enjoy the scenery of mysterious Hime fireflies dancing wildly.