Akiyoshidai Plateau/Akiyoshido Cave

YAMAGUCHI NATURE
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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 cave is said to be about 11 km long, but the first one kilometer is open to visitors.

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More Information about Akiyoshidai Plateau/Akiyoshido Cave

Street address

Akiyoshi, Shuhocho, Mine City, Yamaguchi
About YAMAGUCHI

Access

  • About 45 minutes by bus from Shin-Yamaguchi Station on the JR Sanyo Main Line

Opening Hours

Akiyoshido Cave
March-November
　8:30-17:30
December-February
　8:30-16:30

Closed

Open all year

Website

https://www.visit-jy.com/en/spots/14537

Best season

All year

Point

update: Oct.7.2026

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