Hiraodai Karst Plateau & Caves
One of the three largest karst plateau in Japan along with the Akiyoshi-dai Plateau and the
Shikoku Karst. It is located in south-eastern 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. The Plateau offers a different views in each of the four seasons, resembling a burnt
field in the spring, appearing fresh and green in the early summer, and similar to a dry plain
in the fall.
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
There are three limestone Caves in Hiraodai Karst and each cave has different unique features.
The largest limestone caves in Hiraodai Karst 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.
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.
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.
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).
Hiraodai Karst Plateau Trekking
Location of Kitakyushu-city
|Address||1-1-1 Hiraodai, Kokura-minakiku, Kitakyushu-city, Fukuoka-prefecture|
45 minutes by a vehicle from JR Kokura Station
80 minutes by a vehicle from Fukuoka-city
80 minutes by a vehicle from Usa
100 minutes by a vehicle from Beppu
100 minutes by a vehicle from Yufuin