Right Onsen › Gunma › Nakanojo
Kami-no-yu Public Bath
4.3★ · 126 Google ratings · Nakanojo, Gunma · 上の湯
✓ Day visitors✓ Kakenagashi
Before you go
Can you bathe here?
Day visitors
✓ YesStated on the facility's website
Hours
09:00–15:00From the facility's listing
Tattoos
? Call aheadNo policy stated in the 43 recent reviews we read or on the facility's website
How we know this
- Day visitors: Visitors bathed as day-use guests from 2024 to 2026; hours stated as 9:00–15:00. · stated on the facility's website, read 2026-09 · 4 visitors, Dec 2024 – Jul 2026
Atmosphere
The bath
What you’ll find
Free public hot spring in Shima, Gunma with two small baths (one hot, one warm). No amenities; donation box at entrance. Very popular with visitors.
Bath setup
Indoor baths
2.0Reported by two visitors
Outdoor bath
✕ NoReported by one visitor
Spring water
Spring type
sodium-calcium chloride-sulfateReported by one visitor
Source temperature
61°CReported by one visitor
Bath temperature
43°CFront bath ~43–45°C, back bath ~42°C; some visitors found it too hot without dilution.Confirmed by recent visitor reports
pH
pH 7.5Reported by one visitor
Free-flowing (kakenagashi)
✓ FullFresh spring water flows continuously through the bath
How we know this
- Indoor baths: Two bathing pools: front one hotter (~43–45°C), back one warmer (~42°C). Each fits 1–4 people. · 2 visitors, Apr 2026 – May 2026
- Outdoor bath: Bath is indoors; external light enters through windows/skylight. · 1 visitor, Feb 2026
- Spring type: Posted analysis: sodium-calcium chloride-sulfate spring. · 1 visitor, Apr 2025
- Source temperature: Source temperature 60.9°C, natural flowing (75 L/min). · 1 visitor, Apr 2025
- Bath temperature: Front bath ~43–45°C, back bath ~42°C; some visitors found it too hot without dilution. · 4 visitors, Jun 2025 – May 2026
- pH: Posted analysis pH 7.5. · 1 visitor, Apr 2025
- Free-flowing (kakenagashi): Explicitly stated as source-flowing bath, not recirculated. · 3 visitors, Jan 2026 – Apr 2026
Practical
What you need
Lockers
Lockers, but no locksReported by two visitors
Payment
✕ Cash onlyConfirmed by recent visitor reports
How we know this
- Lockers: Changing room has shelves only, no lockable lockers. · 2 visitors, Apr 2025 – Apr 2026
- Payment: Free entry but donation box at entrance; visitors contribute cash voluntarily. · 4 visitors, Jan 2026 – Aug 2026
Timing
When to go
Weekly hours
| Day | Hours |
|---|---|
| Monday | 09:00–15:00 |
| Tuesday | 09:00–15:00 |
| Wednesday | 09:00–15:00 |
| Thursday | 09:00–15:00 |
| Friday | 09:00–15:00 |
| Saturday | 09:00–15:00 |
| Sunday | 09:00–15:00 |
Getting there
How to get there
Nearest station
Nakanojo12.4 km in a straight line; bus or taxi from the station
Address
3974 Shima, Nakanojo, Agatsuma District, Gunma 377-0601From the facility's listing
Show a driver
上の湯The name in Japanese, for a taxi or at the counter
Phone
+81279-26-7727Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
nakanojo-kanko.jpOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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What matters
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Questions
Common questions
Can I visit Kami-no-yu Public Bath without staying overnight?
Visitors bathed as day-use guests from 2024 to 2026; hours stated as 9:00–15:00.
Is the water free-flowing spring water?
Explicitly stated as source-flowing bath, not recirculated.
