Sansuisou
箱根大平台温泉 山水荘
Onsen ryokan · Kanagawa Ohiradai
Confirmed with the onsen · 2026/09
Tattoos, day use, private bath
Tattoos
No restriction
Confirmed with the onsen · 2026/09Private bath
Yes
Confirmed with the onsen · 2026/09Day use
Yes
Confirmed with the onsen · 2026/09Booking and price for the private bath
Book without staying overnightYes✓
PriceFor 60 minutes: ¥5,600 for two adults. Each additional adult is ¥2,800, and a single guest pays ¥3,350. Elementary school children are ¥1,650 each, and children aged 0 to 6 are ¥1,100. Also open to day visitors. Towel rental is ¥500 per set.✓Prices vary by room type, day of the week and season. Check the amount on the official site.
How to bookUnconfirmed
Getting there
Address神奈川県足柄下郡箱根町大平台621✓
Phone0460-82-2162 (+81 460-82-2162)✓
Opening hours and bathing fee
These change often, so we don't include them in what we confirm. Please check the official site.
Check the latest on the official site →What we don't check
We don't check same-day availability, how busy it is and unscheduled closures. Policies can change without notice — please confirm with the onsen when you book and when you arrive. onsen pass provides information only: we don't make bookings, and we can't guarantee you entry.
For the water's stated health effects and contraindications, please read the notices posted at the onsen — we don't cover them. You can report an error in anything listed here.
Sources
Other onsen in Hakone we've checked
Hakone Pax Yoshino箱根パークス吉野Confirmed with the onsen · 2026/09
Hakone-YumotoPrivate baths 3
Tattoo conditions: Cover with a patch · Small only · Private bath only
Kawara no Yu Mount View Hakone川涌の湯 マウントビュー箱根Confirmed with the onsen · 2026/09
SengokuharaPrivate baths 3
Tattoo conditions: Small only
Kiritani Hakoneso桐谷箱根荘Confirmed with the onsen · 2026/09
GoraPrivate baths 2
Tattoo conditions: Cover with a patch