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Agatsuma Onsen Nekoyajo Onsen
4.1★ · 215 Google ratings · Higashiagatsuma, Gunma · 吾妻温泉 根古屋城温泉
✓ Day visitors✓ Outdoor bath✓ Kakenagashi
Before you go
Can you bathe here?
Day visitors
Limited hoursConfirmed by recent visitor reports
Hours
11:00–20:00From the facility's listing
Closed
Monday, Tuesday, Wednesday, Thursday, FridayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 33 recent reviews we read
Price
¥400 adultConfirmed by recent visitor reports
How we know this
- Day visitors: Open for day-use bathing only on Saturdays, Sundays and holidays; closed on weekdays. · 4 visitors, Aug 2025 – Jul 2026
- Price: Admission is consistently 400 yen. · 4 visitors, Sep 2025 – Aug 2026
The bath
What you’ll find
A tiny, weekends-only family-run bathhouse with 100% source-fed water, a hot indoor tub, and a lukewarm outdoor tub with mountain views; no shampoo or body soap is provided.
Bath setup
Indoor baths
2.0Confirmed by recent visitor reports
Outdoor bath
✓ YesConfirmed by recent visitor reports
Outdoor baths
1.0Confirmed by recent visitor reports
View
MountainConfirmed by recent visitor reports
Spring water
Free-flowing (kakenagashi)
✓ FullFresh spring water flows continuously through the bath
How we know this
- Indoor baths: There are two indoor tubs, one hotter (42-43C) and one milder. · 3 visitors, Sep 2025 – Jul 2026
- Outdoor bath: An outdoor bath exists but runs noticeably lukewarm (roughly body temperature to 38C), best enjoyed in warm weather. · 10 visitors, Jun 2025 – Aug 2026
- Outdoor baths: The outdoor bath area has multiple sections but recent visits find only 1 (occasionally 2) sections actually filled, down from its original full capacity. · 3 visitors, May 2025 – Jul 2026
- View: The outdoor bath offers a well-regarded mountain view. · 5 visitors, Aug 2025 – Aug 2026
- Free-flowing (kakenagashi): Water is genuinely 100% source-fed (kakenagashi), repeatedly confirmed. · 5 visitors, May 2025 – Aug 2026
Practical
What you need
Lockers
Coin not returnedReported by two visitors
Hair dryer
✓ YesReported by two visitors
Facilities
Restaurant
✓ YesConfirmed by recent visitor reports
How we know this
- Lockers: The changing-room coin locker costs 100 yen that is not refunded; a free locker is also available at reception for lighter items. · 2 visitors, Jun 2025 – Jul 2026
- Hair dryer: One reviewer found a single hair dryer near the toilet, while another (in an otherwise very negative review) reported none — availability may be inconsistent or easy to miss. · 2 visitors, May 2025 – Dec 2025
- Restaurant: A small in-house kitchen serves homemade ramen and motsuni, run by the same couple who operate the baths. · 7 visitors, Sep 2025 – Jun 2026
Timing
When to go
Weekly hours
| Day | Hours |
|---|---|
| Monday | Closed |
| Tuesday | Closed |
| Wednesday | Closed |
| Thursday | Closed |
| Friday | Closed |
| Saturday | 11:00–20:00 |
| Sunday | 11:00–20:00 |
Closed Monday, Tuesday, Wednesday, Thursday, Friday.
Getting there
How to get there
Nearest station
UbashimaAbout 18 min on foot, 1.4 km in a straight line
Address
309-1 Okazaki, Higashiagatsuma, Agatsuma District, Gunma 377-0302309-1 Okazaki, 東吾妻町 Higashiagatsuma, Agatsuma District, Gunma 377-0302 · From the facility's listing
Show a driver
吾妻温泉 根古屋城温泉The name in Japanese, for a taxi or at the counter
Phone
+81279-59-3361Japanese-speaking. For tattoos or private baths a call is the only sure answer
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Questions
Common questions
Can I visit Agatsuma Onsen Nekoyajo Onsen without staying overnight?
Open for day-use bathing only on Saturdays, Sundays and holidays; closed on weekdays.
How much does Agatsuma Onsen Nekoyajo Onsen cost?
Admission is consistently 400 yen.
Is the water free-flowing spring water?
Water is genuinely 100% source-fed (kakenagashi), repeatedly confirmed.
