For the sento 野天風呂 宝の湯, there are no explicit statements on the official website regarding tattoos. User reports do not exist either. However, the terms in their rules state that they firmly refuse access to gang members and associates, people with tattoos, intoxicated individuals, and those bringing pets. While this suggests a possible discomfort towards tattooed guests, there is no clear ban. Therefore, it's likely that tattoos are not allowed but not confirmed.
There are no user reports available. There is no clear information from the official site regarding tattoos.