Right Onsen › Tokyo › Shinjuku City
Kashiwayu
3.9★ · 86 Google ratings · Shinjuku City, Tokyo · Kashiwayu
✓ Day visitors
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
Not publishedCall ahead
Tattoos
? Call aheadNo policy stated in the 33 recent reviews we read
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
- Bathing arrangement: The facility had separate men's and women's bathing sections, as is standard for a sento. · 2 visitors, Dec 2021 – May 2022
The bath
What you’ll find
Kashiwayu was a traditional Shinjuku-ward sento known for very hot (around 44°C) baths and a cold plunge but no sauna; it permanently closed in 2023 due to pipe damage, so confirm current status before visiting.
Bath setup
Sauna
✕ NoConfirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
Rest area
✓ YesReported by one visitor
Spring water
Bath temperature
44°CConfirmed by recent visitor reports
How we know this
- Sauna: Most reviewers from 2019 to 2023 said there was no sauna, though one 2020 review priced a sauna at 1000 yen, suggesting confusion or a discontinued service. · 3 visitors, Nov 2019 – Feb 2022
- Cold bath: Reviewers consistently mention a cold plunge bath, with reported temperatures around 23-25°C, from 2019 through 2023. · 3 visitors, Aug 2023 – Sep 2023
- Rest area: A small seating area near the bath allowed a couple of people to rest after bathing. · 1 visitor, Aug 2023
- Bath temperature: The main bath was frequently reported at about 44°C, though some visitors measured it closer to 40°C. · 3 visitors, May 2021 – May 2023
Guide
Good to know
Bath temperature
The main bath was frequently reported at about 44°C, though some visitors measured it closer to 40°C.
Confirmed by recent visitor reportsSauna
Most reviewers from 2019 to 2023 said there was no sauna, though one 2020 review priced a sauna at 1000 yen, suggesting confusion or a discontinued service.
Confirmed by recent visitor reportsSoap & shampoo
Several reviewers (2021-2023) said shampoo and body soap could be borrowed for free at the counter, while others in the same period said none was available and visitors should bring their own.
Confirmed by recent visitor reportsPractical
What you need
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Lockers
✓ FreeReported by two visitors
How we know this
- Soap & shampoo: Several reviewers (2021-2023) said shampoo and body soap could be borrowed for free at the counter, while others in the same period said none was available and visitors should bring their own. · 3 visitors, Sep 2021 – Sep 2023
- Lockers: Lockers required getting and returning a key at the front counter rather than using a coin deposit. · 2 visitors, Dec 2021 – Dec 2022
Getting there
How to get there
Nearest station
OkuboAbout 9 min on foot, 0.8 km in a straight line
Address
4-3-7 Kitashinjuku, Shinjuku City, Tokyo〒169-0074 Tokyo, Shinjuku City, Kitashinjuku, 4 Chome−3−7 有波ビル · From the facility's listing
Show a driver
KashiwayuThe name in Japanese, for a taxi or at the counter
Phone
+813-3371-4106Japanese-speaking. For tattoos or private baths a call is the only sure answer
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Questions
Common questions
Can I visit Kashiwayu without staying overnight?
Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise.
