Right Onsen › Tokyo › Itabashi City
Koganeyu (Itabashi City)
3.7★ · 97 Google ratings · Itabashi City, Tokyo · 黄金湯
✓ Sauna
Before you go
Can you bathe here?
Day visitors
? Not knownNot stated in the 28 recent reviews we read; call ahead
Hours
15:00–22:00From the facility's listing
Closed
Monday, TuesdayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 28 recent reviews we read or on the facility's website
Price
¥750 adultReported by visitors some time ago; may have changed
How we know this
- Price: As of 2022-12 sauna use plus bath was 750 yen cash, up from 700 yen reported in 2022-05. · 2 visitors, May 2022 – Dec 2022
The bath
What you’ll find
Koganeyu is a small Tokyo neighborhood public bath (sento) famous for extremely hot bathwater (around 42-47°C) and a powerful sauna with a cold plunge; do not dilute the hot tub, it upsets regulars.
Bath setup
Indoor baths
1Reported by one visitor
Outdoor bath
✕ NoReported by one visitor
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
Rest area
✓ YesConfirmed by recent visitor reports
Spring water
Bath temperature
43°CConfirmed by recent visitor reports
Water added
✕ NoConfirmed by recent visitor reports
How we know this
- Indoor baths: A 2023 review describes a single main indoor tub alongside the cold bath and sauna. · 1 visitor, Oct 2023
- Outdoor bath: A 2025 review states there is no outdoor bath at this facility. · 1 visitor, Dec 2025
- Sauna: Multiple visitors from 2022 to 2026 describe a small, very hot sauna (around 100-108°C) seating four to five people. · 3 visitors, Jun 2023 – Jan 2026
- Cold bath: Visitors from 2022 to 2026 consistently mention a cold plunge bath, described as refreshingly cold after the sauna. · 3 visitors, Dec 2023 – Jan 2026
- Rest area: Reviewers from 2022 to 2025 describe a spacious lobby or waiting area with a TV. · 3 visitors, Dec 2022 – Jan 2026
- Bath temperature: Reviewers between 2022 and 2023 report the main bath running very hot, with measurements ranging from 42°C to 47°C. · 3 visitors, Jul 2022 – Dec 2022
- Water added: Multiple visitors between 2022 and 2023 report that diluting the hot bathwater with cold water is discouraged or forbidden by staff or regulars. · 3 visitors, Mar 2022 – Oct 2023
Guide
Good to know
Bath temperature
Reviewers between 2022 and 2023 report the main bath running very hot, with measurements ranging from 42°C to 47°C.
Confirmed by recent visitor reportsTowels
Reviewers from 2022 and 2026 note that towels are not provided or included with sauna use.
Reported by two visitorsWater added
Multiple visitors between 2022 and 2023 report that diluting the hot bathwater with cold water is discouraged or forbidden by staff or regulars.
Confirmed by recent visitor reportsPractical
What you need
Towels
Bring your ownReported by two visitors
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Lockers
✓ Coin returnedConfirmed by recent visitor reports
How we know this
- Towels: Reviewers from 2022 and 2026 note that towels are not provided or included with sauna use. · 2 visitors, Mar 2022 – Jan 2026
- Soap & shampoo: Reviewers from 2022 to 2023 confirm shampoo, conditioner, and body soap are provided at the washing stations. · 3 visitors, Mar 2022 – Oct 2023
- Lockers: Lockers require a 100 yen coin that is returned after use, as reported in 2022 and 2023 reviews. · 3 visitors, Mar 2022 – Oct 2023
Timing
When to go
Weekly hours
| Day | Hours |
|---|---|
| Monday | Closed |
| Tuesday | Closed |
| Wednesday | 15:00–22:00 |
| Thursday | 15:00–22:00 |
| Friday | 15:00–22:00 |
| Saturday | 15:00–22:00 |
| Sunday | 15:00–22:00 |
Closed Monday, Tuesday.
Getting there
How to get there
Nearest station
Tobu-nerimaAbout 11 min on foot, 0.9 km in a straight line
Address
5 Chome-2-2 Tokumaru, Itabashi City, Tokyo 175-0083From the facility's listing
Show a driver
黄金湯The name in Japanese, for a taxi or at the counter
Phone
+813-5398-3406Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
1010itabashi.or.jpOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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Questions
Common questions
How much does Koganeyu (Itabashi City) cost?
As of 2022-12 sauna use plus bath was 750 yen cash, up from 700 yen reported in 2022-05.