Right Onsen › Gunma › Naganohara
Kakure Hot Spring
3.9★ · 405 Google ratings · Naganohara, Gunma · かくれの湯
✓ Natural hot-spring water✓ Free-flowing source water✓ Outdoor bath✓ Rest area
Before you go
Can you bathe here?
Day visitors
✓ YesOpen to day visitors who are not campers, entered via self-service ticket machine.stated by 3 visitors · Nov 2025 – Feb 2026
Hours
10:00–19:00from the facility listing
Price
¥1,000Repeatedly confirmed as a flat 1000 yen adult entry fee, which many reviewers consider steep given the facility's condition.stated by 13 visitors · Nov 2025 – Aug 2026
Bathing arrangement
Men and women separateMen's and women's baths are separate, though one reviewer suggests the two sides may occasionally be swapped.stated by 2 visitors · Jul 2026 – Aug 2026
Tattoos
Not known · call aheadno policy stated in the 43 recent reviews we read or on the facility's website
Watch out
Price
Repeatedly confirmed as a flat 1000 yen adult entry fee, which many reviewers consider steep given the facility's condition.
stated by 13 visitors · Nov 2025 – Aug 2026Payment
Payment goes through an unmanned ticket machine that takes 1000-yen bills only, with no card or QR payment option.
stated by 2 visitors · Jul 2026 – Aug 2026Towels
Towels are sold on-site but frequently out of stock, so reviewers recommend bringing your own.
stated by 2 visitors · Dec 2025 – Mar 2026The bath
What you’ll find
An unmanned, QR-gated hot spring at a remote campground in the woods, prized for genuine kakenagashi sodium chloride-bicarbonate water in both indoor and outdoor baths, but plagued by frequent complaints of poor cleaning, biting flies near the outdoor bath, and a steep 1000 yen cash-only fee.
Outdoor bath
✓ YesAn outdoor bath (rotenburo) is present alongside the indoor bath at nearly every review.stated by 10 visitors · Sep 2025 – Aug 2026
Restaurant
✓ YesA small self-serve stand sells mushroom soup, oden, and boiled eggs near a dining/rest area, though one reviewer found that area poorly maintained.stated by 3 visitors · Jan 2026 – Jun 2026
The water
Free-flowing (kakenagashi)
✓ YesConsistently described as genuine kakenagashi with abundant, undiluted source flow into both baths.stated by 5 visitors · Dec 2025 – Jul 2026
Spring type
Sodium chloride-bicarbonate springClassified as a sodium chloride-bicarbonate spring, giving the water a smooth, slightly slippery feel and faint sulfur/iron smell.stated by 4 visitors · Mar 2026 – May 2026
Source temperature
48.6°COne detailed analytical review cites a source temperature of 48.6°C.stated by 1 visitor · May 2026
Practical
What to bring
Payment
Cash onlyPayment goes through an unmanned ticket machine that takes 1000-yen bills only, with no card or QR payment option.stated by 2 visitors · Jul 2026 – Aug 2026
Towels
For saleTowels are sold on-site but frequently out of stock, so reviewers recommend bringing your own.stated by 2 visitors · Dec 2025 – Mar 2026
Soap & shampoo
Not provided — bring your ownMost recent reviews report no soap or shampoo available, though a couple of earlier or gender-specific visits found some provided (with one noting the men's side lacked it while the women's side had it).stated by 3 visitors · Nov 2025 – Aug 2026
Lockers
✓ FreeKey-locked valuables lockers are provided before the changing area at no extra charge.stated by 3 visitors · Nov 2025 – Aug 2026
Hair dryer
✓ YesFree hair dryers are available in the changing room.stated by 3 visitors · Dec 2025 – Aug 2026
Guide
What visitors add
Price
Admission is 1,000 yen for an adult; many reviewers (at least 8 of the 11 who state the price) consider it overpriced for the facility's condition.
stated by 11 visitors · Nov 2025 – Aug 2026The water
The baths run hot — around 42-45°C is repeatedly reported and one reviewer says it is too hot for children — but reviewers conflict on which bath is hotter: 4 report the indoor bath hotter than the rotenburo, 3 report the rotenburo hotter (possibly different gender sides or days).
stated by 10 visitors · Jan 2026 – Aug 2026Staffing
The facility normally operates unmanned: you buy a ticket at a vending machine and scan a QR-code receipt at a gate to enter (8 reviewers describe the unmanned setup, 7 describe the QR entry). A few reviewers did encounter an owner or staff member on site.
stated by 8 visitors · Nov 2025 – Aug 2026The water
The water is slightly cloudy (grey/moss-green, 5 reviewers) with a faint sulfur and metallic/iron smell (4 reviewers); even several low-scoring reviewers say the water itself is excellent.
stated by 7 visitors · Nov 2025 – Aug 2026Towels, soap & lockers
Conflicting reports on shampoo/soap: three reviewers from Jul-Aug 2026 say none is provided (one notes it is sold separately), while two reviewers from Nov-Dec 2025 say shampoo and body soap were present (one only on the women's side) — recent visitors should assume none.
stated by 5 visitors · Nov 2025 – Aug 2026Water handling
Four reviewers describe the baths as free-flowing source water (kakenagashi) with abundant flow and no added water.
stated by 4 visitors · Jan 2026 – Jul 2026Timing
When to go
Quietest Tuesday around 10:00; busiest Saturday around 18:00. Measured by Google over past visits, not a forecast.
| 8A | 9A | 10A | 11A | 12P | 13P | 14P | 15P | 16P | 17P | 18P | 19P | 20P | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MO | |||||||||||||
| TU | |||||||||||||
| WE | |||||||||||||
| TH | |||||||||||||
| FR | |||||||||||||
| SA | |||||||||||||
| SU |
Quiet Busy
| Day | Hours |
|---|---|
| Monday | 10:00–19:00 |
| Tuesday | 10:00–19:00 |
| Wednesday | 10:00–19:00 |
| Thursday | 10:00–19:00 |
| Friday | 10:00–21:00 |
| Saturday | 10:00–21:00 |
| Sunday | 10:00–19:00 |
Practical
Plan your visit
📍 1985-172 Okuwa, Naganohara, Agatsuma District, Gunma 377-1411
🚃 Manza-Kazawaguchi station, 5.4 km
📞 +81279-82-1526
📋 Show at the counter: かくれの湯
Nearby
Other baths close by
Naganohara · 4.1★
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