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Sengokuhara Shinanoki Ichi-no-Yu Onsen
4.5★ · 2 Google ratings · Hakone, Kanagawa · 仙石原品の木一の湯 日帰り温泉
✓ Day visitors✓ Outdoor bath
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
Not publishedCall ahead
Tattoos
? Call aheadNo policy stated in the 2 recent reviews we read
How we know this
- Day visitors: Listed as a day-use onsen: a bath for day visitors by definition. No visitor review states otherwise. · from the listing category
Atmosphere

The bath
What you’ll find
Sengokuhara hot spring with separate acidic sulfate and alkaline baths; day-use available but not primary business.
Bath setup
Indoor baths
1.0Reported by one visitor
Outdoor bath
✓ YesReported by one visitor
Spring water
Spring type
acidic calcium sulfate-chlorideReported by one visitor
How we know this
- Indoor baths: One indoor bath (alkaline simple mineral spring) reported in May 2026. · 1 visitor, May 2026
- Outdoor bath: An outdoor bath with sulfur scent and acidic character confirmed in May 2026. · 1 visitor, May 2026
- Spring type: Two distinct spring types posted: outdoor is acidic calcium sulfate-chloride, indoor is alkaline simple mineral, both confirmed May 2026. · 1 visitor, May 2026
- Full spring description: acidic calcium sulfate-chloride (outdoor); alkaline simple mineral (indoor)
Practical
What you need
Facilities
Rest area
✕ NoNo reclining rest area available, noted as a limitation in May 2026.Reported by one visitor
How we know this
- Rest area: No reclining rest area available, noted as a limitation in May 2026. · 1 visitor, May 2026
Getting there
How to get there
Nearest station
Sōunzan · Hakone Tozan Railway · OH622.9 km in a straight line; bus or taxi from the station
Address
940-2 Sengokuhara, Hakone, Ashigarashimo District, Kanagawa 250-0631From the facility's listing
Show a driver
仙石原品の木一の湯 日帰り温泉The name in Japanese, for a taxi or at the counter
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What matters
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Questions
Common questions
Can I visit Sengokuhara Shinanoki Ichi-no-Yu Onsen without staying overnight?
Listed as a day-use onsen: a bath for day visitors by definition. No visitor review states otherwise.