Kanto Shibukawa, Gunma
Oedo Onsen Monogatari Premium Ikaho
大江戸温泉物語Premium 伊香保
Name in Japanese. Look for this on the sign, or show it to a taxi driver.
Allowed with conditionsStated by the facility
Hot-spring bath. Hot spring (spring details not checked)
Tattoo rule
Allowed with conditionsStated by the facility
What the official page says
※入れ墨・タトゥーのある方は大浴場をご利用いただけません。ただし、当館指定のカバーシール（有料）を貼って、 入れ墨・タトゥーが完全に覆える場合に限り、大浴場をご利用いただけます
In short: Tattoos must be fully covered with cover stickers, using the facility's paid cover stickers.
Where it is
Kanto region, Gunma prefecture. About 119 km in a straight line from Tokyo.
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Rules can change. Check the official page on the day you go. Any paid link is labelled next to the button. We have not visited this bath ourselves.