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Right OnsenTokyo › Edogawa City

Isshinyu

3.9★ · 87 Google ratings · Edogawa City, Tokyo · 一心湯

Open in Google MapsOfficial site (Japanese)
Day visitors
Before you go

Can you bathe here?

Day visitors
✓ YesFrom the facility's listing
Hours
15:30–22:30From the facility's listing
Closed
Monday, FridayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 35 recent reviews we read or on the facility's website
Bathing
Men and women separateReported by two visitors
How we know this

Sources and what has to be true before we print a fact

The bath

What you’ll find

Isshinyu is a traditional neighborhood sento (public bath) near Shinkoiwa Station in Edogawa, known for hot water (roughly 41–45°C) and colorful kappa-themed tile murals, with no sauna, no cold plunge, and no towel rental.

Bath setup
Sauna
✕ NoReported by two visitors
Cold bath
✕ NoReported by two visitors
Spring water
Bath temperature
43°CConfirmed by recent visitor reports
How we know this

Sources and what has to be true before we print a fact

Guide

Good to know

Bath temperature
Bath temperature varies by visit, with reviewers reporting anywhere from about 41°C to 45°C between 2023 and 2025.
Confirmed by recent visitor reports
Cold bath
No cold plunge bath is available at this sento.
Reported by two visitors
Sauna
Reviewers state the sento has no sauna.
Reported by two visitors
Towels
Most visitors report there is no towel rental service, though one guest was given a rented towel as a special favor.
Confirmed by recent visitor reports
Practical

What you need

Towels
Bring your ownConfirmed by recent visitor reports
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Parking
✓ Free on siteFrom the facility's listing
Wheelchair
✓ ParkingAccessible parking per the listing; the baths themselves are not assessed
How we know this

Sources and what has to be true before we print a fact

Timing

When to go

Quietest Tuesday around 15:00. Busiest Tuesday around 19:00.

8A9A10A11A12P13P14P15P16P17P18P19P20P
MO
TU
WE
TH
FR
SA
SU

Quiet Busy

Based on Google visit patterns, not a forecast.

Weekly hours
DayHours
MondayClosed
Tuesday15:30–22:30
Wednesday15:30–22:30
Thursday15:30–22:30
FridayClosed
Saturday15:30–22:30
Sunday15:30–22:30

Closed Monday, Friday.

Getting there

How to get there

Nearest station
Shin-KoiwaAbout 5 min on foot, 0.4 km in a straight line
Address
4 Chome-9-8 Matsushima, Edogawa City, Tokyo 132-0031From the facility's listing
Show a driver
一心湯The name in Japanese, for a taxi or at the counter
Phone
+813-3651-6313Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
www.oyunofuji1010.comOfficial, in Japanese

Directions in Google Maps

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Nearby

Other baths close by

Asahiyu
3.8★ · 0.2 km
Day useTattoos ?
Yu Park Matsushima
3.6★ · 0.7 km · Katsushika City
Day useTattoos ?Sauna
Yoshino-yu
4.4★ · 1.2 km
Day useTattoos ?
Chiyonoyu
4.2★ · 1.2 km
Day useTattoos ?
Naka-no-yu
3.8★ · 1.2 km
Day useTattoos ?Sauna
Tatsumi-yu
3.5★ · 1.4 km
Day useTattoos ?
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What matters
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Questions

Common questions

Can I visit Isshinyu without staying overnight?
Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise.