Right Onsen › Tokyo › Nishitokyo
Koshin-yu
4.2★ · 255 Google ratings · Nishitokyo, Tokyo · 庚申湯
✓ Day visitors✓ Outdoor bath✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
15:00–23:00From the facility's listing
Closed
Monday, TuesdayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 33 recent reviews we read
Price
¥550 adultReported by two visitors
Bathing
Men's and women's sides swap by timeConfirmed by recent visitor reports
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 is 550 yen, with the sauna costing an extra 250 yen, consistent from 2024 to 2026. · 2 visitors, Nov 2024 – Mar 2026
- Bathing arrangement: The men's and women's bathing rooms (and which one has the outdoor bath) swap on a weekly basis, usually Tuesdays. · 3 visitors, Nov 2024 – Feb 2026
The bath
What you’ll find
Koshin-yu is a traditional Tokyo sento (public bath) with a paid sauna and cold plunge, whose single outdoor bath swaps weekly between the men's and women's sides.
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 one outdoor bath that alternates weekly between the men's and women's sides, so it is not always available on a given visit. · 3 visitors, Jul 2025 – Jul 2026
- Sauna: A communal sauna is available for an extra fee (around 250 yen) separate from bath admission. · 3 visitors, Nov 2024 – Apr 2026
- Cold bath: Visitors from 2024 to 2026 report a cold plunge bath in the communal bathing area. · 3 visitors, Sep 2025 – Feb 2026
- Rest area: There is a lounge-style seating area with tables near the changing room where drinks are available. · 2 visitors, Nov 2024 – Jan 2026
Guide
Good to know
Outdoor bath
There is one outdoor bath that alternates weekly between the men's and women's sides, so it is not always available on a given visit.
Confirmed by recent visitor reportsSauna
A communal sauna is available for an extra fee (around 250 yen) separate from bath admission.
Confirmed by recent visitor reportsPractical
What you need
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
How we know this
- Soap & shampoo: Shampoo and body soap are provided free at the washing stations, reported consistently from 2024 to 2026. · 3 visitors, Oct 2025 – Apr 2026
Timing
When to go
Quietest Thursday around 15:00. Busiest Sunday around 19:00.
| 8A | 9A | 10A | 11A | 12P | 13P | 14P | 15P | 16P | 17P | 18P | 19P | 20P | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MO | |||||||||||||
| TU | |||||||||||||
| WE | |||||||||||||
| TH | |||||||||||||
| FR | |||||||||||||
| SA | |||||||||||||
| SU |
Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | Closed |
| Tuesday | Closed |
| Wednesday | 15:00–23:00 |
| Thursday | 15:00–23:00 |
| Friday | 15:00–23:00 |
| Saturday | 15:00–23:00 |
| Sunday | 15:00–23:00 |
Closed Monday, Tuesday.
Getting there
How to get there
Nearest station
TanashiAbout 14 min on foot, 1.1 km in a straight line
Address
1 Chome-13-2 Shibakubocho, Nishitokyo, Tokyo 188-0014From the facility's listing
Show a driver
庚申湯The name in Japanese, for a taxi or at the counter
Phone
+8142-465-0261Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
www.koushin-yu.comOfficial, 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 Koshin-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 Koshin-yu cost?
Adult admission is 550 yen, with the sauna costing an extra 250 yen, consistent from 2024 to 2026.
