Right Onsen › Tokyo › Suginami City
Asagaya Onsen Tentokusen
4.0★ · 264 Google ratings · Suginami City, Tokyo · 阿佐ヶ谷温泉 天徳泉
✓ Day visitors✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
15:00–01:00From the facility's listing
Closed
WednesdayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 34 recent reviews we read or on the facility's website
Price
¥550 adultConfirmed 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 was consistently reported as 550 yen from 2025 to 2026, with sauna use an extra 300 yen. · 3 visitors, Dec 2025 – Jul 2026
The bath
What you’ll find
A retro Tokyo neighborhood sento with kitschy Hawaiian décor, using naturally sourced well water (officially certified hot spring) heated to about 42°C, plus a spring-fed cold plunge and paid steam sauna; day-use, cash/QR accepted.
Bath setup
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
Rest area
✓ YesConfirmed by recent visitor reports
Spring water
Spring type
simple springReported by two visitors
Source temperature
15.8°CConfirmed by recent visitor reports
Bath temperature
42°CConfirmed by recent visitor reports
pH
pH 7.9Reported by one visitor
Free-flowing (kakenagashi)
Partly confirmedFresh spring water flows continuously through the bath
How we know this
- Sauna: A paid steam sauna (around 300 yen extra) is available and described as very hot, with reviews spanning 2025-2026. · 4 visitors, Apr 2026 – Sep 2026
- Cold bath: A cold plunge bath fed directly by the 15.8°C spring water is present and frequently praised. · 3 visitors, Oct 2025 – Sep 2026
- Rest area: Lounge chairs and a rest area near the bath/sauna are available for cooling down between sessions. · 3 visitors, Mar 2026 – Sep 2026
- Spring type: The posted analysis classifies the water as a simple (tanjun) hot spring high in metasilicic acid. · 2 visitors, Sep 2025 – May 2026
- Source temperature: The source well water temperature is consistently reported as 15.8°C. · 3 visitors, Mar 2026 – May 2026
- Bath temperature: The heated main bath is consistently described as around 42°C, considered hot by visitors. · 3 visitors, Apr 2026 – Jun 2026
- pH: A posted analysis gave the spring water a pH of 7.9. · 1 visitor, May 2026
- Free-flowing (kakenagashi): The cold plunge is explicitly source-fed (kakenagashi), while the heated main bath is warmed rather than flow-through. · 3 visitors, Dec 2025 – May 2026
Guide
Good to know
Bath temperature
The heated main bath is consistently described as around 42°C, considered hot by visitors.
Confirmed by recent visitor reportsHair dryer
Hair dryers are available but require a coin (about 10 yen for 3 minutes).
Reported by two visitorsSauna
A paid steam sauna (around 300 yen extra) is available and described as very hot, with reviews spanning 2025-2026.
Confirmed by recent visitor reportsTowels
Bath towels can be rented for a small fee (reported as 50-100 yen) rather than being included.
Confirmed by recent visitor reportsPractical
What you need
Towels
Rental availableConfirmed by recent visitor reports
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Hair dryer
✓ YesReported by two visitors
How we know this
- Towels: Bath towels can be rented for a small fee (reported as 50-100 yen) rather than being included. · 3 visitors, Nov 2025 – Jul 2026
- Soap & shampoo: Shampoo and body soap are supplied free at the washing stations. · 3 visitors, Oct 2025 – May 2026
- Hair dryer: Hair dryers are available but require a coin (about 10 yen for 3 minutes). · 2 visitors, Dec 2025 – May 2026
Timing
When to go
Quietest Tuesday around 15:00. Busiest Monday around 19:00.
| 8A | 9A | 10A | 11A | 12P | 13P | 14P | 15P | 16P | 17P | 18P | 19P | 20P | |
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Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 15:00–01:00 |
| Tuesday | 15:00–01:00 |
| Wednesday | Closed |
| Thursday | 15:00–01:00 |
| Friday | 15:00–01:00 |
| Saturday | 15:00–01:00 |
| Sunday | 15:00–01:00 |
Closed Wednesday.
Getting there
How to get there
Nearest station
AsagayaAbout 4 min on foot, 0.3 km in a straight line
Address
2 Chome-22-1 Asagayakita, Suginami City, Tokyo 166-0001From the facility's listing
Show a driver
阿佐ヶ谷温泉 天徳泉The name in Japanese, for a taxi or at the counter
Phone
+813-3338-6018Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
suginami1010.comOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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Questions
Common questions
Can I visit Asagaya Onsen Tentokusen without staying overnight?
Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise.
How much does Asagaya Onsen Tentokusen cost?
Adult admission was consistently reported as 550 yen from 2025 to 2026, with sauna use an extra 300 yen.
Is the water free-flowing spring water?
The cold plunge is explicitly source-fed (kakenagashi), while the heated main bath is warmed rather than flow-through.
