Right Onsen › Tokyo › Setagaya City
Kozen-yu
3.4★ · 96 Google ratings · Setagaya City, Tokyo · 弘善湯
✓ Day visitors✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
15:30–23:00From the facility's listing
Closed
Wednesday, SaturdayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 37 recent reviews we read
Price
¥520 adultReported by visitors some time ago; may have changed
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: Admission was reported as 500 yen in 2022 and 520 yen in 2024, reflecting the standard Tokyo sento rate increase. · 2 visitors, Nov 2022 – Feb 2024
The bath
What you’ll find
Kozen-yu is a very old-fashioned neighborhood public bathhouse (sento) in Setagaya with a free mist/steam sauna, but it has no cold plunge bath, so sauna users cool down only with tepid shower water.
Bath setup
Indoor baths
2Confirmed by recent visitor reports
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✕ NoConfirmed by recent visitor reports
Spring water
Bath temperature
42°CConfirmed by recent visitor reports
How we know this
- Indoor baths: The bathing area has two tubs (shallow and deep), though some visitors note they are connected underneath as one large bath. · 3 visitors, Mar 2024 – Sep 2024
- Sauna: Visitors describe a free mist or steam sauna included in the entry fee, no extra charge. · 3 visitors, Oct 2024 – Feb 2026
- Cold bath: Multiple visitors note there is no cold plunge bath, only tepid shower water for cooling down. · 3 visitors, Mar 2024 – Feb 2025
- Bath temperature: Bath temperature was measured around 41-43°C across different visits from 2022 to 2025. · 3 visitors, Nov 2022 – Jun 2025
Guide
Good to know
Bath temperature
Bath temperature was measured around 41-43°C across different visits from 2022 to 2025.
Confirmed by recent visitor reportsCold bath
Multiple visitors note there is no cold plunge bath, only tepid shower water for cooling down.
Confirmed by recent visitor reportsHair dryer
Hair dryers are available but cost extra, around 10-20 yen per use.
Reported by two visitorsTowels
No towel rental or loan; a small towel or a hand-carry set including toiletries can be purchased for 150 yen.
Reported by two visitorsPractical
What you need
Towels
For saleReported by two visitors
Hair dryer
✓ YesReported by two visitors
How we know this
- Towels: No towel rental or loan; a small towel or a hand-carry set including toiletries can be purchased for 150 yen. · 2 visitors, Nov 2022 – Jul 2024
- Hair dryer: Hair dryers are available but cost extra, around 10-20 yen per use. · 2 visitors, Feb 2025 – Feb 2026
Timing
When to go
Quietest Monday around 15:00. Busiest Monday around 21:00.
| 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 | 15:30–23:00 |
| Tuesday | 15:30–23:00 |
| Wednesday | Closed |
| Thursday | 15:30–23:00 |
| Friday | 15:30–23:00 |
| Saturday | Closed |
| Sunday | 15:30–23:00 |
Closed Wednesday, Saturday.
Getting there
How to get there
Nearest station
Sangen-jayaAbout 5 min on foot, 0.4 km in a straight line
Address
2 Chome-36-15 Shimouma, Setagaya City, Tokyo 154-0002From the facility's listing
Show a driver
弘善湯The name in Japanese, for a taxi or at the counter
Phone
+813-3410-4126Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
www.setagaya1010.tokyoOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
Nearby
Other baths close by
Find another
Not the right bath?
Where are you starting from?
More options
What matters
Contribute
Been here recently?
Help other visitors with fresh information about Kozen-yu. Everything below is optional except the last box.
Questions
Common questions
Can I visit Kozen-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 Kozen-yu cost?
Admission was reported as 500 yen in 2022 and 520 yen in 2024, reflecting the standard Tokyo sento rate increase.
