Inazumi Underwater Cave
稲積水中鍾乳洞
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Sauna
Policies & Services
TattooYes
Allows entry with visible tattoos
About
At Inazumi Underwater Cave in Bungo-Ono, tent and cabin saunas pair with a cooling plunge in the cave's year-round cold water. Tattoos are permitted.
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Last updated June 25, 2026