Right Onsen › Tokyo › Ota City
Kusatsuyu (Ota City)
4.1★ · 320 Google ratings · Ota City, Tokyo · 草津湯
✓ Day visitors✓ Outdoor bath✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
12:00–00:00From the facility's listing
Tattoos
✕ Not allowedReported by two visitors
Price
¥600 adultConfirmed by recent visitor reports
Bathing
Men and women separateReported by two visitors
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
- Tattoos: Two visitors reported being refused entry due to tattoos, though staff were polite about it. · 2 visitors, Sep 2025 – May 2026
- Price: Admission was 550 yen through late 2025 and into 2026 but rose to 600 yen by September 2026. · 4 visitors, Jan 2026 – Sep 2026
- Bathing arrangement: Reviews reference separate men's and women's baths, confirming gender-separated bathing. · 2 visitors, Dec 2025
The bath
What you’ll find
Kusatsuyu is a classic Tokyo neighborhood sento with a free sauna, cold plunge, and a small outdoor bathing area, but tattoos are not allowed and parking is limited or unavailable.
Bath setup
Outdoor bath
✓ YesConfirmed by recent visitor reports
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
Rest area
✓ YesConfirmed by recent visitor reports
Spring water
Spring type
mineral springConfirmed by recent visitor reports
How we know this
- Outdoor bath: A small outdoor air-bathing area with a water-fall style bath (uchidase-yu) exists alongside the indoor baths. · 3 visitors, Aug 2025 – Sep 2026
- Sauna: Visitors consistently report a sauna included free with the standard admission fee. · 3 visitors, Aug 2025 – Sep 2026
- Cold bath: A cold plunge bath is present alongside the sauna, with temperatures around 16°C reported. · 6 visitors, Aug 2025 – Sep 2026
- Rest area: A spacious rest area with reclining chairs, TVs, and drink service is available near the bath entrances. · 3 visitors, Nov 2025 – Jul 2026
- Spring type: The bath uses a mineral (kosen) water source rather than the black onsen water common elsewhere in the area; one visitor called it a natural hot spring while another said it is not a natural onsen. · 3 visitors, Aug 2025 – Mar 2026
Guide
Good to know
Hair dryer
Hair dryers are available, though reports vary between free use and a small coin fee (about 20-30 yen).
Confirmed by recent visitor reportsSpring type
The bath uses a mineral (kosen) water source rather than the black onsen water common elsewhere in the area; one visitor called it a natural hot spring while another said it is not a natural onsen.
Reports differ; confirmed by recent visitor reportsPractical
What you need
Towels
Rental availableReported by two visitors
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Lockers
✓ FreeConfirmed by recent visitor reports
Hair dryer
✓ YesConfirmed by recent visitor reports
How we know this
- Towels: Bath towels can be rented for a small fee (around 50 yen), though many visitors bring their own. · 2 visitors, Dec 2025 – Jan 2026
- Soap & shampoo: Shampoo and body soap are provided free at the washing stations. · 3 visitors, Dec 2025 – Mar 2026
- Lockers: Lockers are lockable and require no coin deposit. · 3 visitors, Jan 2026 – Apr 2026
- Hair dryer: Hair dryers are available, though reports vary between free use and a small coin fee (about 20-30 yen). · 3 visitors, Jan 2026 – Sep 2026
Timing
When to go
Quietest Tuesday around 12:00. Busiest Sunday around 20:00.
| 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 | 12:00–00:00 |
| Tuesday | 12:00–00:00 |
| Wednesday | 12:00–00:00 |
| Thursday | 12:00–00:00 |
| Friday | 12:00–00:00 |
| Saturday | 12:00–00:00 |
| Sunday | 12:00–00:00 |
Getting there
How to get there
Nearest station
Yaguchi-no-watashiAbout 4 min on foot, 0.3 km in a straight line
Address
2 Chome-7-21 Higashiyaguchi, Ota City, Tokyo 146-0094From the facility's listing
Show a driver
草津湯The name in Japanese, for a taxi or at the counter
Phone
+813-3758-2375Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
kokopi-624.github.ioOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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Questions
Common questions
Does Kusatsuyu (Ota City) allow tattoos?
Two visitors reported being refused entry due to tattoos, though staff were polite about it.
Can I visit Kusatsuyu (Ota City) without staying overnight?
Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise.
How much does Kusatsuyu (Ota City) cost?
Admission was 550 yen through late 2025 and into 2026 but rose to 600 yen by September 2026.
