Ryokan Masuya

万寿屋旅館

Ask about tattoosAsk about EnglishPrivate bath

Tattoos: Ask about tattoos. No tattoo wording on own site (top, spa, reservation pages), Rakuten Travel or Jalan. (recheck Oct 24). Earlier: No tattoo rule on the facility's own site or the Hakone tourism page. Small inn whose bath can be reserved for private use, which may help, but not stated.
Day visits: Yes
10:30 to 15:30 (own spa page)
Adult: Not stated on own site. Third-party Onsen Oni: 900 yen including towel, plus 150 yen bath tax. Cash only (own site)
Private bath: Yes. Own spa page: families and couples can reserve the bath for private use ('貸切利用OK'). Price, slot length and whether day visitors can reserve it: not stated.
English: Ask about English. Own site is Japanese only, no English page linked; tourism page does not mention languages
After a ride or hike: About 3 min walk from Sengoku Annaijo (仙石案内所) bus stop (hakone.or.jp). 10 parking spaces. 24-hour flowing natural spring for overnight guests. Cash only. Bike or luggage storage not stated.
Last checked: 2026-10-24 · Facility's own Japanese spa page plus official tourism page; price from third-party listing only
Sources: hakoneonsen-masuya.com
www.jalan.net
travel.rakuten.co.jp
hakoneonsen-masuya.com