Amanoiwatonoyu is a hot spring town in Miyazaki, Japan.
The water type for this town has not been identified yet. It is on the list to check.
With tattoos
Many public baths still turn away visible tattoos, and the rule is set by each bath, not by the town. The reliable way round it is to bathe privately: a room with its own open-air bath, or an inn with a private bath you can book for yourselves.