Right Onsen › Kanagawa › Kawasaki
Jōmon natural onsen - Shiraku no yu
4.1★ · 3,056 Google ratings · Kawasaki, Kanagawa · 縄文天然温泉 志楽の湯
✓ Day visitors✓ Outdoor bath✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesStated on the facility's website
Hours
10:00–00:00From the facility's listing
Closed
NoneStated on the facility's website
Tattoos
✕ Not allowedStated on the facility's website
Price
¥1,170 adultStated on the facility's website
Child price
¥730Stated on the facility's website
Bathing
Men and women separateReported by two visitors
How we know this
- Day visitors: Multiple visitors used facility for day-use bathing from 2026-06 to 2026-09. · stated on the facility's website, read 2026-09 · 3 visitors, Jun 2026 – Sep 2026
- Closed: stated on the facility's website, read 2026-09
- Tattoos: stated on the facility's website, read 2026-09
- Price: stated on the facility's website, read 2026-09
- Child price: stated on the facility's website, read 2026-09
- Bathing arrangement: Gender-separated bathing; male and female sauna types differ (dry vs. mist). · 2 visitors, Jul 2026 – Aug 2026
Atmosphere

The bath
What you’ll find
Natural onsen in Kawasaki with Jomon-era themed atmosphere, fossil seawater source, and outdoor bath; day-use welcome but facility small with limited seating.
Bath setup
Indoor baths
3.0Reported by two visitors
Outdoor bath
✓ YesOutdoor bath present, surrounded by trees and rocks from Mt. Yatsugatake, one per gender; uneven floor and slippery surface noted as hazards.Reported by two visitors
Outdoor baths
1.0One outdoor bath per gender with uneven natural rock floor, hazardous footing; surrounded by wood and trees.Reported by two visitors
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesCold bath available but small and capacity insufficient for sauna-using volume during busy times.Confirmed by recent visitor reports
View
ForestConfirmed by recent visitor reports
Spring water
Spring type
sodium-calcium chlorideReported by two visitors
Bath temperature
38°CWarm bath temperature approximately 37–39°C; described as heated and good for long soaking; unsuitable for cooling in summer.Reported by two visitors
How we know this
- Indoor baths: Three indoor baths: large main bath, round wooden 2.5m bath (miso-barrel style), small cold bath. · 2 visitors, Jul 2026
- Outdoor bath: Outdoor bath present, surrounded by trees and rocks from Mt. Yatsugatake, one per gender; uneven floor and slippery surface noted as hazards. · 2 visitors, Jul 2026
- Outdoor baths: One outdoor bath per gender with uneven natural rock floor, hazardous footing; surrounded by wood and trees. · 2 visitors, Jul 2026
- Sauna: Sauna present; males have dry sauna, females have mist sauna; small with no outdoor air bath area. · 3 visitors, Jul 2026 – Aug 2026
- Cold bath: Cold bath available but small and capacity insufficient for sauna-using volume during busy times. · 3 visitors, Jul 2026 – Aug 2026
- View: Outdoor bath surrounded by trees and natural rock; indoor spaces also feature wood; courtyard-like setting with no distant vista. · 3 visitors, Jul 2026
- Spring type: Natural source 100% from 1,300m+ depth; fossil seawater with high mineral content, sodium-chloride strong-salt onsen, weak alkaline. · 2 visitors, Jul 2026
- Bath temperature: Warm bath temperature approximately 37–39°C; described as heated and good for long soaking; unsuitable for cooling in summer. · 2 visitors, Jul 2026
Practical
What you need
Towels
Rental availableStated on the facility's website
Soap & shampoo
✓ ProvidedStated on the facility's website
Lockers
✓ Coin returnedReported by two visitors
Parking
✓ On siteFrom the facility's listing
Accessibility
Step-free entrance and accessible restroomFrom the facility's listing. Bath access not confirmed
Facilities
Rest area
✓ YesRest areas exist, some dim, somewhat cramped; cafe and massage rooms available; outdoor air bath seating absent.Confirmed by recent visitor reports
Restaurant
✓ YesConfirmed by recent visitor reports
Lodging
✓ YesReported by two visitors
How we know this
- Towels: stated on the facility's website, read 2026-09
- Soap & shampoo: stated on the facility's website, read 2026-09
- Lockers: Coin lockers use 100-yen coins that are returned; lockers somewhat small. Valuables stored in electronic lockers with PIN. · 2 visitors, Jul 2026 – Aug 2026
- Rest area: Rest areas exist, some dim, somewhat cramped; cafe and massage rooms available; outdoor air bath seating absent. · 3 visitors, Jul 2026
- Restaurant: Soba restaurant and light meal kitchen with organic focus; soft serve and smoothies also available. · 3 visitors, Jul 2026
- Lodging: Separate lodging facility adjacent to day-use bath; not core to bathing experience. · 2 visitors, Jul 2026 – Aug 2026
Timing
When to go
Quietest Wednesday around 10:00. Busiest Saturday around 20:00.
| 8A | 9A | 10A | 11A | 12P | 13P | 14P | 15P | 16P | 17P | 18P | 19P | 20P | |
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| WE | |||||||||||||
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| SA | |||||||||||||
| SU |
Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 10:00–00:00 |
| Tuesday | 10:00–00:00 |
| Wednesday | 10:00–00:00 |
| Thursday | 10:00–00:00 |
| Friday | 10:00–00:00 |
| Saturday | 10:00–00:00 |
| Sunday | 10:00–00:00 |
Closed None.
Getting there
How to get there
Nearest station
Yako · JR East · JN03About 4 min on foot, 0.3 km in a straight line
Address
4 Chome-314-1 Tsukagoshi, Saiwai Ward, Kawasaki, Kanagawa 212-0024From the facility's listing
Show a driver
縄文天然温泉 志楽の湯The name in Japanese, for a taxi or at the counter
Phone
+8144-533-8888Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
www.shiraku.jpOfficial, in Japanese
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Questions
Common questions
Can I visit Jōmon natural onsen - Shiraku no yu without staying overnight?
Multiple visitors used facility for day-use bathing from 2026-06 to 2026-09.