Right Onsen › Tokyo › Ota City
Shinnomigawa-yu
4.0★ · 257 Google ratings · Ota City, Tokyo · 新呑川湯
✓ Day visitors✓ Outdoor bath✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
11:00–23:00From the facility's listing
Closed
FridayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 36 recent reviews we read or on the facility's website
Price
¥550 adultConfirmed by recent visitor reports. The website lists ¥600
How we know this
- Day visitors: Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise. · from the listing category
- Price: Adult admission was reported as around 500-520 yen in early-to-mid 2025 and 550 yen by late 2025 into 2026. · 3 visitors, Oct 2025 – Jan 2026
The bath
What you’ll find
Shinnomigawa-yu is an urban public sento (not a spring) near Kamata with a carbonated bath, radon/electric bath, semi-open-air bath, hot sauna and cold plunge; sauna use costs extra and a mat is often required.
Bath setup
Outdoor bath
✓ YesConfirmed by recent visitor reports
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
Rest area
✓ YesReported by two visitors
How we know this
- Outdoor bath: There is an outdoor-style bath area, but reviewers note it is only partly open to the air (a skylight or slit in the roof) rather than fully outdoors. · 3 visitors, Jul 2025 – Mar 2026
- Sauna: Visitors describe a hot dry sauna, often over 100°C, that costs an extra fee separate from bath admission. · 3 visitors, Mar 2026 – May 2026
- Cold bath: Visitors consistently describe a very cold plunge bath, around 12-15°C, sometimes with jet bubbles. · 3 visitors, Oct 2025 – May 2026
- Rest area: There is a comfortable sofa/lounge rest area near the entrance. · 2 visitors, Sep 2025 – May 2026
Guide
Good to know
Outdoor bath
There is an outdoor-style bath area, but reviewers note it is only partly open to the air (a skylight or slit in the roof) rather than fully outdoors.
Confirmed by recent visitor reportsSauna
Visitors describe a hot dry sauna, often over 100°C, that costs an extra fee separate from bath admission.
Confirmed by recent visitor reportsPractical
What you need
Towels
Rental availableConfirmed by recent visitor reports
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Payment
✓ Cards acceptedConfirmed by recent visitor reports
How we know this
- Towels: Small towels can be rented for 20 yen if visitors arrive without their own. · 3 visitors, Dec 2025 – May 2026
- Soap & shampoo: Body soap and shampoo are provided free at the washing stations, though one 2026 review claimed there were no amenities. · 3 visitors, Mar 2026 – May 2026
- Payment: The facility accepts credit cards, QR codes, and smartphone payment apps in addition to cash. · 3 visitors, Dec 2025 – Jul 2026
Timing
When to go
Quietest Tuesday around 11:00. Busiest Sunday around 18:00.
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Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 11:00–23:00 |
| Tuesday | 11:00–23:00 |
| Wednesday | 11:00–23:00 |
| Thursday | 11:00–23:00 |
| Friday | Closed |
| Saturday | 11:00–23:00 |
| Sunday | 11:00–23:00 |
Closed Friday.
Getting there
How to get there
Nearest station
OtoriiAbout 13 min on foot, 1.0 km in a straight line
Address
1 Chome-21-11 Omoriminami, Ota City, Tokyo 143-0013From the facility's listing
Show a driver
新呑川湯The name in Japanese, for a taxi or at the counter
Phone
+813-3741-9406Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
www.1010.or.jpOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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What matters
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Questions
Common questions
Can I visit Shinnomigawa-yu without staying overnight?
Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise.
How much does Shinnomigawa-yu cost?
Adult admission was reported as around 500-520 yen in early-to-mid 2025 and 550 yen by late 2025 into 2026.
