Right Onsen › Gunma › Nakanojo
Shiriyaki Onsen Benten-no-Yu
4.2★ · 30 Google ratings · Nakanojo, Gunma · 日帰り温泉施設「尻焼温泉 弁天の湯」
✓ Day visitors✓ Kakenagashi
Before you go
Can you bathe here?
Day visitors
✓ YesConfirmed by recent visitor reports
Hours
12:30–19:30From the facility's listing
Closed
MondayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 31 recent reviews we read or on the facility's website
Price
¥500 adultReported by two visitors
How we know this
- Day visitors: Multiple day-use visitors reported paying 500 yen as non-residents between 2024-03 and 2026-08. · 3 visitors, Apr 2024 – Jun 2025
- Price: Non-residents pay 500 yen day-use; residents pay 300 yen (stated 2024-11, 2024-05, 2022-05). · 2 visitors, Nov 2024 – Aug 2026
Atmosphere
The bath
What you’ll find
Small, new public hot spring with strong kakenagashi and Shiriyaki Onsen source; day-use only, no amenities included.
Bath setup
Indoor baths
1.0Reported by two visitors
Outdoor bath
✕ NoConfirmed by recent visitor reports
Sauna
✕ NoReported by two visitors
Spring water
Spring type
sodium-calcium sulfate-chlorideReported by two visitors
Source temperature
50°CReported by two visitors
Bath temperature
43°CBath temp reported as 43–45°C (2026-05, 2024-11); mostly 43°C.Reported by two visitors
Free-flowing (kakenagashi)
✓ FullFresh spring water flows continuously through the bath
Water added
✓ YesReported by two visitors
How we know this
- Indoor baths: Single indoor bath; no outdoor bath. Multiple reviews 2024-04 to 2026-06. · 2 visitors, Oct 2025 – Jun 2026
- Outdoor bath: No outdoor bath; indoor bath only (2024-04 to 2025-10). · 3 visitors, Apr 2024 – Oct 2025
- Sauna: No sauna facility (2024-04, 2024-11). · 2 visitors, Apr 2024 – Nov 2024
- Spring type: Analyzed composition: sodium-calcium sulfate-chloride, low-tension, weakly alkaline, high-temperature (2025-09, 2024-04). · 2 visitors, Apr 2024 – Sep 2025
- Source temperature: Source temperature approximately 50°C; facility applies water mixing (2026-03, 2024-11). · 2 visitors, Nov 2024 – Mar 2026
- Bath temperature: Bath temp reported as 43–45°C (2026-05, 2024-11); mostly 43°C. · 2 visitors, Mar 2026 – May 2026
- Free-flowing (kakenagashi): Abundant overflow with hot spring from Shiriyaki Onsen source; source temp ~50°C, facility temp 43–45°C. · 2 visitors, Jul 2025 – Jun 2026
- Water added: Water is added to cool source temp (~50°C) to 43–45°C bath (2026-03, 2025-07). · 2 visitors, Jul 2025 – Mar 2026
Practical
What you need
Soap & shampoo
For sale at the counterConfirmed by recent visitor reports
Lockers
✓ FreeConfirmed by recent visitor reports
Hair dryer
✓ YesReported by two visitors
Facilities
Rest area
✓ YesReported by two visitors
How we know this
- Soap & shampoo: No soap or shampoo provided; single-use sets sold at counter for 50 yen (2025-07, 2024-11). · 3 visitors, Apr 2024 – May 2026
- Lockers: Free key-locked lockers in changing room, no coin required (2026-06, 2025-07, 2024-11). · 3 visitors, Nov 2024 – Jun 2026
- Hair dryer: Hair dryer(s) available in changing room (2024-11, 2025-07). · 2 visitors, Nov 2024 – Jul 2025
- Rest area: Small rest area with seating; primarily a waiting room rather than lounge (2024-11, 2026-06). · 2 visitors, Nov 2024 – Jun 2026
Timing
When to go
Weekly hours
| Day | Hours |
|---|---|
| Monday | Closed |
| Tuesday | 12:30–19:30 |
| Wednesday | 12:30–19:30 |
| Thursday | 12:30–19:30 |
| Friday | 12:30–19:30 |
| Saturday | 12:30–19:30 |
| Sunday | 12:30–19:30 |
Closed Monday.
Getting there
How to get there
Nearest station
Gunma-Otsu10.4 km in a straight line; bus or taxi from the station
Address
1573-3 Iriyama, Nakanojo, Agatsuma District, Gunma 377-1701From the facility's listing
Show a driver
日帰り温泉施設「尻焼温泉 弁天の湯」The name in Japanese, for a taxi or at the counter
Phone
+81279-95-5020Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
www.town.nakanojo.gunma.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 Shiriyaki Onsen Benten-no-Yu without staying overnight?
Multiple day-use visitors reported paying 500 yen as non-residents between 2024-03 and 2026-08.
How much does Shiriyaki Onsen Benten-no-Yu cost?
Non-residents pay 500 yen day-use; residents pay 300 yen (stated 2024-11, 2024-05, 2022-05).
Is the water free-flowing spring water?
Abundant overflow with hot spring from Shiriyaki Onsen source; source temp ~50°C, facility temp 43–45°C.
