Chubu Nagano
Kawanakajima Onsen Terme DOME
川中島温泉テルメDOME
Name in Japanese. Look for this on the sign, or show it to a taxi driver.
Allowed with conditionsStated by the facility
Super sento (large day-bath complex). Water source not checked; see the official page
Tattoo rule
Allowed with conditionsStated by the facility
What the official page says
タトゥーのある方の入館について 原則入館はお断りですが、当施設で販売しているカバーシール（19㎝×13㎝）4枚までで隠せる方はご利用いただけます。
In short: Tattoos must be fully covered with cover stickers (up to 4 stickers of 19 × 13 cm), sold by the facility.
Where it is
Chubu region, Nagano prefecture. About 174 km in a straight line from Hakone.
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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.