# Travel Destinations | Japan Voyage Travel

- [Akiyoshido Cave](https://travel.japanvoyage.jp/travel_destinations/akiyoshido-cave): Yamaguchi, Attraction. Japan's largest and longest limestone cave, stretching over 10 kilometers underground with approximately one kilometer open to the public. The cave contains spectacular formations including massive stalagmites and terraced limestone pools.

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Source: [Travel Destinations | Japan Voyage Travel](https://travel.japanvoyage.jp/travel_destinations?destination_type=attraction&prefecture_id=35)
Last updated: 2026-11-13