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Ryuki: A Retreat for Mind and Body
Niigata Prefecture/MinamiuonumaProudly featuring homegrown vegetables and a therapeutic stone bath! Experience a casual healing retreat at our accommodation.
Local cuisine featuring vegetables and wild plants cultivated with organic fertilizers on our own farm, as well as the nation's top-quality "Minami Uonuma Koshihikari" rice, emphasizing local production for local consumption. Promote blood circulation with the "Medicinal Stone Bath" (paid) lined with 15 types of medicinal stones, and warm your body from the core with 100% natural Onsen directly from the source. A journey to "rejuvenate" in nature, away from the hustle and bustle of the city.
We stayed here for the Nagaoka Fireworks Festival. The building seems old, but the Room, floors, and Facility are clean. The meals are very delicious. There was plenty of rice, vegetables, and side dishes, and we ended up eating too much at every meal. The Onsen has several types of baths, so you can relax and enjoy it comfortably. We would love to stay here again for the Nagaoka Fireworks Festival next year.
Yahoo!トラベルユー... 8/4/2026Onsen. There are five types of baths in the large public bath area. Both the men’s and women’s baths seem to have a similar layout. Each bath isn’t very large, but since we stayed on a weekday right after a three-day weekend, there were fewer guests and we could relax and enjoy them at our own pace.There is also a paid “Yakuseki Bath,” which feels like a combination of hot-stone therapy and a sauna, and it was excellent. Since we booked the course featuring beef grilled on a ceramic plate and grilled nodoguro (blackthroat seaperch) skewers, we received one free ticket and were able to enjoy it. You really work up a sweat.It was disappointing that there is no open-air bath, but overall the bathing facilities were very satisfying.The meals were delicious—both the beef grilled on a ceramic plate and the nodoguro skewers. Another highlight was that they use 100% Uonuma Koshihikari rice. Perhaps because of how it was cooked, breakfast in particular was outstanding.The air-conditioning controls were a bit tricky, so at times it felt slightly cold or warm, but it was within an acceptable range.They also offer Shuttle Service from Muikamachi Station, making it convenient even by train. This is an Accommodation I would definitely like to stay at again.
Yahoo!トラベルユー... 3/25/2026
Facilities and Services
See All- Hot spring
- Accessibility
| IN | 15:00~21:00 |
|---|---|
| OUT | 10:00 |
| Number of rooms | 24 rooms |
| Pet | Not allowed |
| Your child | Permitted |
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Introduction of the Accommodation

Cuisine
Enjoy local cuisine made with vegetables and wild plants cultivated using organic fertilizers on our own farm, as well as the nation's highest-grade brand rice, 'Minamiuonuma Koshihikari.' Experience dishes that emphasize the concept of 'local production for local consumption.'

Please choose your preferred Room from either a Japanese-style Room or a Japanese-Western-style Room. We also offer triple Rooms suitable for group travel.

Enjoy the 【Yakuseki Bath】 (paid) paved with 15 types of highly effective medicinal stones and the 【Natural Onsen】 of Muikamachi Onsen and Uenohara Kogen Onsen.

Carefully cultivated homegrown vegetables and wild plants, sourced from contracted farmers.
Meals feature freshly harvested vegetables and wild plants from our own farm.

A half-buffet featuring homemade dishes made with homegrown vegetables. Each dish of the "Farmer's Meal," carefully crafted by our chefs, is prepared with great care. Enjoy a variety of delicious vegetable dishes from the morning.

We cultivate safe and healthy vegetables at home, starting with soil preparation using organic fertilizers.

A bath lined with 15 types of medicinal stones, featuring the world's first "far-infrared thermal wave" effect.
A health bath (paid) lined with 15 types of highly effective medicinal stones for fatigue recovery and stress relief.

Soothe your tired body from daily work and chores with 15 carefully selected medicinal stones.

15 carefully selected medicinal stones warm the body from within.

Relax at Muikamachi Onsen and Uenohara Highland Onsen with 【4 types of Onsen】.
After sweating in the medicinal stone bath, refresh yourself in the natural Onsen. Your body will naturally rejuvenate, providing the ultimate relaxation experience. Stretch out and unwind in the spacious large bath.

Experience the natural hot spring with the largest flow rate in the prefecture!

Blended with herbs such as pine needles, brown algae, and carbonates.

Enjoy a relaxing time in a natural stone bath.

An onsen enhanced with mineral-rich sea salt from the Sea of Japan, offering improved heat retention and moisturizing effects.

After check-in or before check-out, relax in the lobby.
We also offer lounge massage chairs and complimentary coffee service.

We offer a wide variety of specialty products from the Uonuma region, souvenirs from Niigata, and original health foods.

Reliable laundry service for Multiple Night Stay and long-term guests.

After warming up in the medicinal stone bath and natural Onsen, relax in the rest area.

We offer dishes made with homegrown vegetables.

Large groups are also welcome. Enjoy your meal.

Equipped with a covered bicycle parking area. Feel secure even on rainy days.
Facilities and Equipment of Accommodation
- The room
- Hot Springs & Baths
Basic Information
| Card information | VISA / MASTER / JCB / AMEX |
|---|---|
| Pets | Not allowed |
| Breakfast | There is no information about breakfast. |
| Your child | You can stay. |
| Room service | Not available |
| Common amenities |
|
| Facilities and Features |
|
| Esthetic Massage | None |
| Fitness gym | None |
| Public Bath |
|
| Spring quality and benefits | Mild Alkaline Simple Spring Salt Bath Atopy/Eczema Thermal Effect Cold Sensitivity ※Regarding the notation of "Gensen Kakenagashi" |
| Sauna | Available |
| Hot stone spa | Available"Yakuseki Bath" 550 yen per session |
| Others | Other accepted credit cards: UC, DC, NICOS, UFJ Card Among the amenities listed in the Facility, razors, combs, and hair ties are available at the front desk. Please feel free to ask if needed. For your comfort and relaxation, we kindly ask guests to enter barefoot or with socks. The Facility is thoroughly cleaned and sanitized for your safety and peace of mind. |
Reviews
- Rooms & Amenities4.05
- Facility4.05
- Hospitality & Service4.05
- Meals4.50
- Onsen & Bath4.59
- Satisfaction4.36
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Niigata Prefecture2310 Oguriyama, Minamiuonuma City
TEL:+81-25-770-2525
5 minutes by car from Kanetsu Expressway Muikamachi IC.
15 minutes by car from JR Muikamachi Station (35 minutes from Yuzawa Station).
- Parking Information
- Fee
- Free for guests
- Parking time
- ---
- Parking space
- No restrictions
- Number of parking spaces
- 50 cars available outdoor
- Valet service
- Unavailable
- Pickup and drop-off information
- Available (Free)Free Shuttle Service (Reservation Required)
8:00 AM - 6:00 PM
- For guests arriving by train:
Shuttle service to "JR Muikamachi Station" is available.
- For guests arriving by highway bus:
Shuttle service to "Muikamachi Interchange Bus Stop" is available.
Please inform us of your preferred time by the day before use.
Frequently Asked Questions
What are the qualities and benefits of the hot spring water?
The spring quality and efficacy of the hot spring are as follows. ・Spring quality: Mild Alkaline Simple Spring Salt Bath ・Spring efficacy: Atopy/Eczema Thermal Effect Cold Sensitivity
What kind of facilities and features are available?
There are the following facilities and features. Hot spring・Free-flowing hot spring・Large public bath・Sauna・Ganbanyoku (rock bathing)・Free shuttle service・Barrier-free
I would like to know the access information.
5 minutes by car from Kanetsu Expressway Muikamachi IC. 15 minutes by car from JR Muikamachi Station (35 minutes from Yuzawa Station).
Is parking available?
・Fee: Free for guests ・Parking space: Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces: 50 cars ・Valet Service: Unavailable
Is an internet connection available?
Connection is possible. ・Wi-Fi is available. For more details, please refer to the room and plan information.
Is there a sauna?
Yes, there is.
Do you have a rock bath?
Yes, there is. "Yakuseki Bath" 550 yen per session














