Chubu Matsuzaki, Shizuoka
Osawa Onsen Yoda no Sho
Name in Japanese. Look for this on the sign, or show it to a taxi driver.
Day-trip hot-spring or bath complex. Hot spring (spring details not checked)

Tattoo rule
@nifty Onsen, a large Japanese bath directory, lists this bath in its tattoo-OK category. The facility's own website did not mention tattoos when we checked on 9 Oct 2026.
The facility's own website does not mention tattoos. Ask at reception before you pay. You can show staff this sentence: タトゥーがありますが、入浴できますか? (I have tattoos. Can I use the bath?)
Where it is
Chubu region, Shizuoka prefecture. About 57 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.