Akiyoshidai Plateau/Akiyoshido Cave
Akiyoshidai Plateau is the largest karst plateau in Japan, at an altitude of 200 to 400 m, and mainly consists of limestone from the Paleozoic era, and numerous limestone caves eroded by rainwater. Akiyoshido Cave is the largest cave in Japan, located at the foot of the Akiyoshidai Plateau. The entrance is 24 m high and 8 m wide, with the largest part in the cave more than 80 m wide and 35 m high. The cave is said to be 8.9 km long, but the first one kilometer is open to visitors.
View scenic routes that include this spot
ACT & RELAXStreet address
- Akiyoshi, Shuho-cho, Mine City
Access
- 45 minutes by bus from Shin-Yamaguchi Station on the JR Sanyo Main Line
Opening Hours
- Akiyoshido Cave
March-November
08:30-17:30
December-February
08:30-16:30
Closed
- Open all year
Best season
- All year
Point

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