Right Onsen › Kanagawa › Zama
Yukai Soukai Zama
3.9★ · 1,443 Google ratings · Zama, Kanagawa · 野天湯元 湯快爽快 ざま
✓ Day visitors✓ Outdoor bath✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesStated on the facility's website
Hours
09:00–00:00From the facility's listing
Tattoos
? Call aheadNo policy stated in the 39 recent reviews we read or on the facility's website
Price
¥900 adultConfirmed by recent visitor reports
How we know this
- Day visitors: Visitors from 2026-05 to 2026-09 consistently used the facility as day-use bathers with posted admission prices. · stated on the facility's website, read 2026-09 · 3 visitors, Jul 2026 – Sep 2026
- Price: Weekday adult admission was reported as 850-900 yen with weekend/holiday prices around 950-980 yen, having risen from earlier lower prices due to inflation. · 3 visitors, Jul 2026 – Sep 2026
The bath
What you’ll find
A super-sento day-use bathhouse in Zama with a natural black-water (sodium bicarbonate) hot spring outdoor bath alongside heated indoor baths, sauna, and cold plunge; no overnight lodging is offered.
Bath setup
Outdoor bath
✓ YesConfirmed by recent visitor reports
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
Spring water
Spring type
sodium bicarbonate springReported by one visitor
Source temperature
35.5°CConfirmed by recent visitor reports
Free-flowing (kakenagashi)
Partly confirmedFresh spring water flows continuously through the bath
How we know this
- Outdoor bath: Multiple outdoor bath types including a waterfall bath, herbal bath, and natural spring black-water bath were reported. · 3 visitors, Jul 2026 – Sep 2026
- Sauna: An indoor sauna with a TV is present, described as fitting around 20-25 people. · 3 visitors, Jul 2026 – Sep 2026
- Cold bath: A cold plunge bath around 18°C is available next to the sauna. · 3 visitors, Jul 2026 – Sep 2026
- Spring type: The spring is classified as a sodium bicarbonate spring, popularly known as kuroyu (black water). · 1 visitor, Sep 2026
- Source temperature: The natural spring source temperature is consistently reported at about 35.5°C. · 3 visitors, Jul 2026 – Sep 2026
- Free-flowing (kakenagashi): The outdoor black-water spring bath is genuine kakenagashi (source-flow) at about 35.5°C, while other indoor baths are heated separately. · 2 visitors, Aug 2026 – Sep 2026
Practical
What you need
Parking
✓ Free on siteFrom the facility's listing
Accessibility
Step-free entrance, accessible restroom and accessible parkingFrom the facility's listing. Bath access not confirmed
Facilities
Rest area
✓ YesConfirmed by recent visitor reports
Restaurant
✓ YesConfirmed by recent visitor reports
How we know this
- Rest area: Rest areas including tatami napping rooms and lounge spaces are available, some requiring an extra fee. · 3 visitors, Jun 2026 – Sep 2026
- Restaurant: An on-site restaurant serves food until around 23:00, later than similar facilities. · 3 visitors, Aug 2026 – Sep 2026
Timing
When to go
Quietest Tuesday around 9:00. Busiest Sunday around 18:00.
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Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 09:00–00:00 |
| Tuesday | 09:00–00:00 |
| Wednesday | 09:00–00:00 |
| Thursday | 09:00–00:00 |
| Friday | 09:00–00:00 |
| Saturday | 09:00–00:00 |
| Sunday | 09:00–00:00 |
Getting there
How to get there
Nearest station
Soubudai-Mae · Odakyu Electric Railway · OH30About 17 min on foot, 1.3 km in a straight line
Address
1 Chome-48-25 Hironodai, Zama, Kanagawa 252-0012From the facility's listing
Show a driver
野天湯元 湯快爽快 ざまThe name in Japanese, for a taxi or at the counter
Phone
+8146-254-1126Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
www.yukaisoukai.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 Yukai Soukai Zama without staying overnight?
Visitors from 2026-05 to 2026-09 consistently used the facility as day-use bathers with posted admission prices.
How much does Yukai Soukai Zama cost?
Weekday adult admission was reported as 850-900 yen with weekend/holiday prices around 950-980 yen, having risen from earlier lower prices due to inflation.
Is the water free-flowing spring water?
The outdoor black-water spring bath is genuine kakenagashi (source-flow) at about 35.5°C, while other indoor baths are heated separately.
