Right Onsen › Gunma › Nakanojo
Sawatari Onsen Public Bath
4.3★ · 488 Google ratings · Nakanojo, Gunma · 沢渡温泉 共同浴場
✓ Day visitors✓ Kakenagashi
Before you go
Can you bathe here?
Day visitors
✓ YesConfirmed by recent visitor reports
Hours
09:00–20:30From the facility's listing
Tattoos
? Call aheadNo policy stated in the 37 recent reviews we read
Price
¥300 adultConfirmed by recent visitor reports
Bathing
Men and women separateReported by two visitors
How we know this
- Day visitors: Multiple visitors report paying 300 yen for day-use admission; monthly discount on the 26th to 200 yen; open to walk-in visitors from outside the area. · 3 visitors, Jan 2026 – Jun 2026
- Price: Standard adult day-use price is 300 yen; discount to 200 yen on the 26th of each month; lodging guests receive free passes from their accommodation. · 3 visitors, Mar 2026 – Jun 2026
- Bathing arrangement: Separate male and female bathing areas with distinct entrances. · 2 visitors, Feb 2026 – Mar 2026
Atmosphere
The bath
What you’ll find
A traditional public bath in Sawatari hot spring village known as Kusatsu's finishing bath, with two scalding indoor pools and no washing facilities; day-use only, 300 yen.
Bath setup
Indoor baths
2.0Confirmed by recent visitor reports
Outdoor bath
✕ NoReported by two visitors
Spring water
Spring type
calcium-sodium sulfate-chlorideReported by two visitors
Source temperature
55.1°CReported by two visitors
Bath temperature
45°CFront pool: 45–46 °C (very hot, sometimes used as finishing bath). Back pool: 42–44 °C (hot but tolerable). Exact temps vary by day.Confirmed by recent visitor reports
pH
pH 8.5Reported by one visitor
Free-flowing (kakenagashi)
✓ FullFresh spring water flows continuously through the bath
Water added
✓ YesReported by two visitors
How we know this
- Indoor baths: Two indoor pools: front pool (smaller, hotter, around 45–46 °C, used as finishing bath) and back pool (slightly larger, around 42–44 °C). · 3 visitors, Jun 2026 – Aug 2026
- Outdoor bath: No outdoor baths; only indoor pools. · 2 visitors, Mar 2026 – Apr 2026
- Spring type: Official analysis posted: calcium-sodium sulfate-chloride mineral spring. (One review lists potassium instead of calcium; official source lists calcium.) · 2 visitors, Feb 2026 – Mar 2026
- Source temperature: Source temperature 55.1 °C (or approximately 55 °C per official signage). · 2 visitors, Feb 2026 – Mar 2026
- Bath temperature: Front pool: 45–46 °C (very hot, sometimes used as finishing bath). Back pool: 42–44 °C (hot but tolerable). Exact temps vary by day. · 3 visitors, Feb 2026 – Jun 2026
- pH: pH 8.5 per official posted analysis. · 1 visitor, Mar 2026
- Free-flowing (kakenagashi): Explicitly described as source water flowing in multiple reviews; water continuously cascades. · 3 visitors, Feb 2026 – Aug 2026
- Water added: A hose with tap allows adding cold water to adjust temperature; some baths have water pre-added (wider pool). Locals permit adding water if others agree. · 2 visitors, Mar 2026 – Jul 2026
Practical
What you need
Lockers
Lockers, but no locksConfirmed by recent visitor reports
Hair dryer
✓ YesConfirmed by recent visitor reports
How we know this
- Lockers: Free open shelves/racks for clothes (no lock or door). Small locked locker (free) for valuables only (wallet/phone size). · 3 visitors, Mar 2026 – Aug 2026
- Hair dryer: Free hair dryer(s) available at washing station. · 3 visitors, Feb 2026 – Apr 2026
Timing
When to go
Quietest Wednesday around 20:00. Busiest Saturday around 13:00.
| 8A | 9A | 10A | 11A | 12P | 13P | 14P | 15P | 16P | 17P | 18P | 19P | 20P | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| TU | |||||||||||||
| WE | |||||||||||||
| TH | |||||||||||||
| FR | |||||||||||||
| SA | |||||||||||||
| SU |
Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 09:00–20:30 |
| Tuesday | 09:00–20:30 |
| Wednesday | 09:00–20:30 |
| Thursday | 09:00–20:30 |
| Friday | 09:00–20:30 |
| Saturday | 09:00–20:30 |
| Sunday | 09:00–20:30 |
Getting there
How to get there
Nearest station
Karigasawa · Higashiagatsuma Town Office Community Development Division6.2 km in a straight line; bus or taxi from the station
Address
2310 Kamisawatari, Nakanojo, Agatsuma District, Gunma 377-0541From the facility's listing
Show a driver
沢渡温泉 共同浴場The name in Japanese, for a taxi or at the counter
Phone
+81279-66-2841Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
spa-sawatari.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 Sawatari Onsen Public Bath without staying overnight?
Multiple visitors report paying 300 yen for day-use admission; monthly discount on the 26th to 200 yen; open to walk-in visitors from outside the area.
How much does Sawatari Onsen Public Bath cost?
Standard adult day-use price is 300 yen; discount to 200 yen on the 26th of each month; lodging guests receive free passes from their accommodation.
Is the water free-flowing spring water?
Explicitly described as source water flowing in multiple reviews; water continuously cascades.
