Right Onsen › Tokyo › Nakano City
Ichinoyu (Nakano City)
4.4★ · 544 Google ratings · Nakano City, Tokyo · 一の湯
✓ Outdoor bath✓ Sauna
Before you go
Can you bathe here?
Day visitors
? Not knownNot stated in the 35 recent reviews we read; call ahead
Hours
16:00–02:00From the facility's listing
Closed
WednesdayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 35 recent reviews we read or on the facility's website
The bath
What you’ll find
Ichinoyu is a traditional neighborhood sento near Numabukuro Station with a men's-only outdoor rock bath, a free mist sauna (no cold plunge), soft (nansui) water, and complimentary soap, shampoo and towels; card and QR payment accepted.
Bath setup
Outdoor bath
✓ YesConfirmed by recent visitor reports
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✕ NoConfirmed by recent visitor reports
Rest area
✓ YesReported by two visitors
Spring water
Spring type
soft waterConfirmed by recent visitor reports
Bath temperature
42°CReported by two visitors
How we know this
- Outdoor bath: The men's side has an outdoor rock bath, but one 2026 review states the women's side has no outdoor bath. · 3 visitors, Jul 2025 – Aug 2026
- Sauna: A free mist sauna is available to both men and women, mentioned repeatedly from 2025 to 2026. · 3 visitors, Jul 2025 – Aug 2026
- Cold bath: Multiple reviews from 2025-2026 note there is no cold plunge bath; visitors cool off with a cold shower instead. · 3 visitors, Jul 2025 – May 2026
- Rest area: The spacious changing area includes a manga reading corner, noted in 2025-2026 reviews. · 2 visitors, Sep 2025
- Spring type: The bath water is described as soft (nansui) rather than a mineral hot-spring type. · 3 visitors, Jul 2025 – Mar 2026
- Bath temperature: The main indoor tub runs around 42°C, described as hot in several 2026 reviews. · 2 visitors, Mar 2026 – Jul 2026
Guide
Good to know
Bath temperature
The main indoor tub runs around 42°C, described as hot in several 2026 reviews.
Reported by two visitorsCold bath
Multiple reviews from 2025-2026 note there is no cold plunge bath; visitors cool off with a cold shower instead.
Confirmed by recent visitor reportsHair dryer
Hair dryers are available for a small fee of about 10 yen per 3 minutes.
Reported by two visitorsOutdoor bath
The men's side has an outdoor rock bath, but one 2026 review states the women's side has no outdoor bath.
Confirmed by recent visitor reportsPractical
What you need
Towels
✓ IncludedConfirmed by recent visitor reports
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Payment
✓ Cards acceptedConfirmed by recent visitor reports
Hair dryer
✓ YesReported by two visitors
How we know this
- Towels: Two face/hand towels are provided free of charge, reported consistently from 2025 to 2026. · 3 visitors, Jul 2025 – Aug 2026
- Soap & shampoo: Shampoo, conditioner and body soap are provided free at the washing stations, consistently reported 2025-2026. · 3 visitors, Oct 2025 – Aug 2026
- Payment: Cash, IC cards, credit cards and QR payments (e.g. PayPay) are all accepted, per reviews from 2025-2026. · 3 visitors, Feb 2026 – Aug 2026
- Hair dryer: Hair dryers are available for a small fee of about 10 yen per 3 minutes. · 2 visitors, Mar 2026 – Jul 2026
Timing
When to go
Quietest Friday around 16:00. Busiest Sunday around 21:00.
| 8A | 9A | 10A | 11A | 12P | 13P | 14P | 15P | 16P | 17P | 18P | 19P | 20P | |
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| WE | |||||||||||||
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| SU |
Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 16:00–02:00 |
| Tuesday | 16:00–02:00 |
| Wednesday | Closed |
| Thursday | 16:00–02:00 |
| Friday | 16:00–02:00 |
| Saturday | 16:00–02:00 |
| Sunday | 16:00–02:00 |
Closed Wednesday.
Getting there
How to get there
Nearest station
NumabukuroAbout 2 min on foot, 0.1 km in a straight line
Address
1 Chome-39-10 Numabukuro, Nakano City, Tokyo 165-0025From the facility's listing
Show a driver
一の湯The name in Japanese, for a taxi or at the counter
Phone
+813-3386-2836Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
ichino-yu.jpOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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