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A relaxing accommodation surrounded by seasonal nature, offering ancient hot springs and seasonal creative cuisine.
Oniiwa Onsen Ryōzan is located at the heart of a mountainous natural landscape stretching between the Nōbi Plain and the deep mountains of Hida and Kiso, surrounded by abundant nature to enjoy in every season. With heartfelt handmade cuisine, warm hospitality, and an exceptional space for relaxation, we look forward to welcoming you with innovative yet refined touches throughout.
Overall, it was a very satisfying trip.First of all, everyone at the Accommodation was thoughtful and attentive, and they took great care of us.The Accommodation is built spanning a gorge, and together with the surrounding walking paths it was a very pleasant place.The open-air bath in the Room was excellent, and it also had a washing area, so one of the three of us was always in the bath.However, the large public bath felt fairly ordinary, and the hours were short as it was only open until 9:00 a.m. in the morning.Also, we received free café vouchers, but we were told we couldn’t add milk or lemon either, which left us with a slightly stingy impression.That said, as I mentioned at the beginning, our family of three had a wonderful trip overall—thank you very much.
トモピン 8/16/2026The Accommodation consists of several separate buildings set on either side of a fast-flowing river with large boulders. It is surrounded by deep mountain forest. Although a national highway runs just behind the property and an expressway interchange is nearby—so traffic can be fairly heavy—traffic noise is barely audible. Thanks to the location and thoughtful landscaping, the road itself is not visible. Instead, you can clearly hear the sound of the rushing water, creating an authentic mountain atmosphere.On the grounds upstream along the valley stream, there is a café called Ryoan. It’s highly recommended for its wonderful ambiance, but please note that it takes several minutes on foot along a rough mountain path beside the gorge (more like a hiking trail). Guests are warned that it may be dangerous for young children (elementary school lower grades and under). It’s also difficult to access in traditional geta sandals.The renovated Room is clean, with new tatami mats and fittings. A large floor-to-ceiling window opens toward the terrace, with views of lush green mountains that make the space feel open and spacious. The outdoor bath on the wood deck—clean enough to step onto barefoot—is filled at bathing time (automatic setting; just under 20 minutes) before use. There is also a unit bath on the opposite side of the Room, which should be reassuring even in midwinter.Meals are served at tables in a large dining hall separated by low partitions. Dining times are staggered by table, so it remains quiet. The cuisine is excellent. Local junmai sake is also available in small bottles kept chilled in a bottle cooler.With the double-glazed windows closed, you won’t hear even the sound of water at all. It makes for a very quiet night.
赤月兎 7/24/2026
Facilities and Services
See All- Hot spring
- Room with Open-Air Bath
- Spa facility
| IN | 15:00~19:00 |
|---|---|
| OUT | 10:00 |
| Number of rooms | 16 rooms |
| Pet | Not allowed |
| Your child | Permitted |
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Introduction of the Accommodation








A hidden Accommodation of forest and water. Enjoy a soothing moment surrounded by nature.





The view from our Rooms is surrounded by nature, with seasonal flowers and greenery that change color throughout the year, the gentle murmur of the river, and birdsong in the air. Please relax and enjoy a peaceful stay away from the bustle of everyday life.




A hot spring that wells up in Oniiwa Park, located within the Hida-Kisogawa Quasi-National Park. With a long history, this radioactive spring is said to have been discovered after people saw an injured white heron bathing here. Nearby lies Japan’s largest uranium deposit, and the spring is renowned for its high-quality radioactive waters. The hydrogen sulfide (uranium) spring is believed to help with cuts and high blood pressure.




Our chef’s seasonal kaiseki cuisine focuses on quality over quantity. Using carefully selected local ingredients such as wild sweetfish and Hida beef, we craft dishes that delight both the palate and the eye. Hot dishes are served hot, cold dishes cold—brought to you at the perfect moment so you can enjoy them at their very best.







At the on-site café “Ryo-an,” you can relax and unwind in the forest. Enjoy a peaceful tea time with Kobe charcoal-roasted coffee and our Forest Cake. Between Ryōzan and Ryo-an lies the sacred forest of Rokuzawa, known as a local power spot. Why not take a light stroll through this soothing green sanctuary?
Facilities and Equipment of Accommodation
- The room
- Hot Springs & Baths
- Facilities & Services
- Meal
Basic Information
| Taxes | Hot Spring Tax |
|---|---|
| Card information | VISA / MASTER / JCB / AMEX / Debit card |
| Pets | Not allowed |
| Breakfast | Japanese cuisine available at the dining venue. |
| Your child | You can stay. Children are allowed only in Standard Rooms.
Child (Elementary School Age): 70% of adult rate (Children's Kaiseki Meal)
Infant (Ages 3-6): 50% of adult rate (Children's Lunch)
Infant (Under 3 Years Old): ¥1,100 (Tax Included, Child Sharing Existing Bedding and Meals with Parent)
Bedding rental fee for children sharing existing bedding: ¥2,750 per set (Service Charge & Tax Included). |
| Room service | Not available |
| Common amenities |
|
| Facilities and Features |
|
| Esthetic Massage | Available At the Esthetic Room:
Facial (Petit Course, 30 minutes) from 4,500 yen
Foot Massage (20 minutes) from 2,100 yen
Lymphatic Massage (Women Only), Balinese Massage, and more are available with prior reservation.
For details on menu options, pricing, and schedule adjustments, please contact us directly. |
| Fitness gym | None |
| Public Bath |
|
| Open-air bath |
|
| Private bath |
|
| Room with Open-Air Bath |
|
| Room with Onsen Indoor Bath |
|
| Spring quality and benefits | Radioactive Spring (Mildly Hypotonic Cold Mineral Spring) Rheumatic diseases, gout and uric acid disorders, arteriosclerosis, hypertension, chronic liver and biliary tract diseases, post-traumatic sequelae |
| Sauna | Available |
| Hot stone spa | None |
Reviews
- Rooms & Amenities4.27
- Facility4.20
- Hospitality & Service4.60
- Meals4.63
- Onsen & Bath4.33
- Satisfaction4.47
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Gifu Prefecture3420-7 Tsukizuki, Mitake-cho, Kani-gun
TEL:+81-574-67-0288
■ By Train
(From Tokyo) Approx. 2 hours 30 minutes via JR Tokaido Shinkansen and Chuo Main Line
(From Osaka) Approx. 1 hour 30 minutes via JR Tokaido Shinkansen and Chuo Main Line
(From Kanazawa) Approx. 3 hours 30 minutes via JR Hokuriku Main Line and Chuo Main Line
(From Nagoya) Approx. 30 minutes via JR Chuo Main Line
→ Get off at JR Toki-shi Station, then take a taxi for about 15 minutes
■ By Car
(From Tokyo) Approx. 3 hours 30 minutes via Chuo Expressway or approx. 4 hours via Tomei Expressway
(From Osaka) Approx. 2 hours 30 minutes via Meishin Expressway
(From Kanazawa) Approx. 4 hours 30 minutes via Hokuriku Expressway and Chuo Expressway
(From Nagoya) Approx. 40 minutes via Chuo Expressway
→ Exit at Toki IC → About an 8-minute drive on Route No.21
- Parking Information
- Fee
- Free for guests
- Parking time
- 14:00 to 11:00 the next day
- Parking space
- No restrictions
- Number of parking spaces
- 70 cars available outdoor
- Valet service
- Unavailable
- Pickup and drop-off information
- UnavailableShuttle service is provided free of charge for groups of 15 or more.
Frequently Asked Questions
Please provide information about Open-air bath.
・Business Hours: 06:00~23:00 ・Hot spring: Available ・Free-flowing: None ・Cloudy hot spring water: None ・Supplementary information: (Heating) Hours: 6:00–23:00 Bathing is not available from 9:00 to 11:00 due to cleaning.
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: Radioactive Spring (Mildly Hypotonic Cold Mineral Spring) ・Spring efficacy: Rheumatic diseases, gout and uric acid disorders, arteriosclerosis, hypertension, chronic liver and biliary tract diseases, post-traumatic sequelae
What kind of facilities and features are available?
There are the following facilities and features. Hot spring・Rooms with open-air baths available・Open-air bath・Large public bath・Private bath・Sauna・Spa facility
I would like to know the access information.
■ By Train (From Tokyo) Approx. 2 hours 30 minutes via JR Tokaido Shinkansen and Chuo Main Line (From Osaka) Approx. 1 hour 30 minutes via JR Tokaido Shinkansen and Chuo Main Line (From Kanazawa) Approx. 3 hours 30 minutes via JR Hokuriku Main Line and Chuo Main Line (From Nagoya) Approx. 30 minutes via JR Chuo Main Line → Get off at JR Toki-shi Station, then take a taxi for about 15 minutes ■ By Car (From Tokyo) Approx. 3 hours 30 minutes via Chuo Expressway or approx. 4 hours via Tomei Expressway (From Osaka) Approx. 2 hours 30 minutes via Meishin Expressway (From Kanazawa) Approx. 4 hours 30 minutes via Hokuriku Expressway and Chuo Expressway (From Nagoya) Approx. 40 minutes via Chuo Expressway → Exit at Toki IC → About an 8-minute drive on Route No.21
Is parking available?
・Fee: Free for guests ・Parking Hours: 14:00 to 11:00 the next day ・Parking space: Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces: 70 cars ・Valet Service: Unavailable
Please provide information about Room with Onsen Indoor Bath.
・Hot spring: None ・Free-flowing: None ・Cloudy hot spring water: None ・Supplementary information: (Heating, Adding Water)
Please provide information about Private bath.
・Business Hours: 07:00~21:00 ・Hot spring: None ・Free-flowing: None ・Cloudy hot spring water: None ・Supplementary information: (Heating) Paid, reservation required
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 esthetic massages?
Yes, there is. At the Esthetic Room: Facial (Petit Course, 30 minutes) from 4,500 yen Foot Massage (20 minutes) from 2,100 yen Lymphatic Massage (Women Only), Balinese Massage, and more are available with prior reservation. For details on menu options, pricing, and schedule adjustments, please contact us directly.
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