Hiraodai Karst Plateau & Caves
Hiraodai is one of the three largest karst plateau in Japan along with the Akiyoshi-dai Plateau and
the Shikoku Karst. It is located in southeastern part of Kitakyushu-city.
At altitudes between 400 and 600 meters above sea level and stretching 6 km from north to south
and 2 km from east to west.
Yougunbaru, which was so names because of the limestone which stands in row like a flock of sheep
in a vast meadow, dolines (conical hollows) and limestone caves create distinctive scenery.
Hiraodai Karst Plateau Trekking
There are three limestone Caves in Hiraodai Karst and each cave has different unique features.
Senbutsu limestone cave
Literally means 1,000 Buddha Cave, is the largest of the caves in Hiraodai Last Plateau,
extending about 900 m while meandering toward the northeast. The shape of the cave is narrow,
narrow ceiling ravine with a maximum width of 10 m and a maximum ceiling height of 15 m.
Approximately 30 large and small stalactites hang down at the entrance, giving a spectacular scenery. Abundant groundwater still continues to erode in the cave.
Mejiro limestone Cave
It is the longest cave in Hiraodai Karst, over 2 km in length.
The highlight of this cave is the monolithic ceiling which is a very unique structure as a limestone caves.
Ojika limestone cave
The cave is called footfall of dinosaurs. It is the very rare cave in Japan; the entrance is vertical
pit with 25 meter, when getting down to the bottom, you follow the underground horizontal cave
and you can see the hidden aspects of Hiraodai Karst.
The most distinguished Japanese Karstic Hiraodai Park. There is 22ha of lawn square with
observation platform, and a wild grass garden. There is also a plateau fruit tree garden.
Moreover, the visitor can enjoy the experience of doing activities such as making buckwheat
noodle (soba), ceramics, art flower, and woodwork.
It is the only wetland in Fukuoka Prefecture, located 600 meters west from Seiryu Cave and
2,500 m east from Hiraodai Nature Observation Center. The wetland is an important part of
Hiraodai Karst landform, offering a variety of wetland plant life such as the Sagiso (rein orchis),
Tokiso (pogonia), and Nohanasyobu (iris).