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- Gensen Itto Iwate Shizukuishi
Opening July 1, 2026, in Shizukuishi with views of Mt. Iwate.
A new Accommodation, “Gensen Ichizu,” is opening in the renowned Onsen town of Oshuku Onsen, with over 450 years of history, dedicated wholeheartedly to the power of its natural hot spring source. Enjoy an indoor bath and open-air bath with abundant water—about 50°C and 300 liters per minute—offered as true free-flowing hot spring water: no added water, no heating, no filtration, and no recirculation. The silky texture and gentle feel unique to this alkaline simple Onsen leave your skin smooth and refreshed. Guest rooms feature a Japanese-modern design with warm wood accents and calm tones (57 rooms total). Morning and evening buffets showcase Iwate’s seasonal flavors, including an impressive tuna carving show and a chance to try the local specialty “Wanko Soba.” From bathing to dining to thoughtful experiences, we deliver a one-of-a-kind hot spring source experience for all five senses—with unwavering dedication.
I’d been looking forward to the reopening!The food was absolutely delicious.There were plenty of vegetables, so it was well-balanced and healthy. The roast beef and seafood were fresh and high quality—you could really feel the attention to detail.The hot spring water was excellent, and I was able to relax and soak at my leisure.
すうたろ 7/21/2026In a place that makes you think, “Here?”, the exterior isn’t new, but the inside was clean and well kept. The Room had a fresh tatami scent and felt very comfortable. The hair dryers in both the bath area and the Room were ReFa, and my hair felt so smooth! The hot spring water had lots of mineral deposits and was amazing! The temperature was just right, too. The washing area has partitions for each person. I could relax while listening to the sound of the river. The fresh greenery was beautiful, and I’m sure autumn leaves would be stunning as well! After the tuna carving show, we received nakaochi (scraped tuna), and there were platters of sashimi like otoro and chutoro—everything was delicious. We didn’t have to clear our own plates; staff came around for us, and their smiles and service were excellent! The food was great! I was also thrilled with the large roast beef made from Tankaku beef. We could also try wanko soba for 1,000 yen—it was so much fun, and it tasted good too! It’s expensive at places like Azumaya, so I highly recommend doing it here. For welcome drinks, there were wine, draft beer, and soft-serve ice cream available in the lounge until 9:00 PM. What disappointed me was that although three of us stayed, only amenities for two were provided in the Room; there wasn’t a humidifier; and there wasn’t a basket to take things to the bath area—but overall it more than made up for it. They even prepared a birthday celebration plate for my daughter, which truly made her happy! There weren’t many foreign guests or children either, so we could unwind in a calm atmosphere. Highly recommended!
PlutoFifi 7/17/2026
Facilities and Services
See All- Hot spring
- Room with Open-Air Bath
| IN | 15:00~24:00 |
|---|---|
| OUT | 11:00 |
| Number of rooms | 57 rooms |
| Opening date | Jul 1, 2026 |
| Pet | Not allowed |
| Your child | Permitted |
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Introduction of the Accommodation








A Pure, Single-Source Hot Spring Experience
The warmth of the hot spring, the quiet of the mountain valley, and the flavors of the region. Each one comes together to create a lingering afterglow from our pure, free-flowing natural spring.
A free-flowing natural hot spring with distinctive local character, certified by a Gen-sen Ittō certification examiner for its proven source quality.
A unique open-air bath that incorporates the area’s nature and scenery, along with bathing experiences featuring special touches to enjoy the hot spring source—such as “yukemuri sake” (sake warmed by hot spring steam).
A culinary experience featuring exquisite dishes made with seasonal ingredients and prepared using methods such as steaming with natural hot spring water, paired with local sake and tea.
A warm welcome with services and amenities using natural hot spring water, offering soothing hospitality that envelops you in the comfort of the onsen from the moment you arrive.
Facilities and Equipment of Accommodation
- The room
- Hot Springs & Baths
- Meal
Basic Information
| Taxes | A separate Hot Spring Tax is required. (150 JPY per person) |
|---|---|
| Card information | VISA / MASTER / JCB / AMEX / DINERS / UnionPay / Debit card |
| Pets | Not allowed |
| Breakfast | Breakfast is served buffet-style. Please note that menu items and serving style may change depending on seasonal availability and ingredient supply. Depending on crowd levels, the serving hours for some items may be adjusted. While we prepare ample food in the venue, replenishment may take some time. If you have any food allergies, please contact us in advance. |
| Your child | You can stay. |
| Room service | Not available |
| Common amenities |
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| Facilities and Features |
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| Esthetic Massage | None |
| Fitness gym | None |
| Public Bath |
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| Open-air bath |
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| Room with Open-Air Bath |
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| Spring quality and benefits | Simple Onsen (hypotonic, mildly alkaline, high-temperature spring) For sensitivity to cold, fatigue recovery, muscle aches, and joint pain. ※Regarding the notation of "Gensen Kakenagashi" |
| Sauna | Available |
| Hot stone spa | None |
Reviews
- Rooms & Amenities4.22
- Facility4.04
- Hospitality & Service4.42
- Meals4.71
- Onsen & Bath4.55
- Satisfaction4.51
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Iwate Prefecture6-7 Oushuku, Shizukuishi-cho, Iwate-gun, Iwate, Japan
TEL:+81-19-613-7757
15 minutes by car from Shizukuishi Station on the JR Akita Shinkansen.\nApproximately 40 minutes by car from JR Morioka Station.
- Parking Information
- Fee
- Free for guests
- Parking time
- ---
- Parking space
- No restrictions
- Number of parking spaces
- 42 cars available outdoor
- Valet service
- Unavailable
- Pickup and drop-off information
- Available (Free)[Shuttle Service]
*Reservations must be made by phone. Please contact us directly at 019-613-7757.
*Reservations will close once capacity is reached.
(First-come, first-served / Phone reservations only)
[Operating Schedule (No Additional Runs)]
• Pick-up: Morioka Station departs at 15:00
• Drop-off: Accommodation departs at 10:00 (one trip each only)
• Capacity: 8 guests (including children)
[Meeting Point]
• Morioka Station West Exit Bus Terminal [Stop 29]
*If you do not have a Reservation, we will not wait on standby.
*We will depart promptly at the scheduled time.
Frequently Asked Questions
Please provide information about Open-air bath.
・Hot spring: Available ・Free-flowing: Available ・Cloudy hot spring water: None ・Supplementary information: 100% natural hot spring Open-air bath hours: 3:00 PM–12:00 AM, 5:00 AM–10:00 AM *Closed from 12:00 AM to 5:00 AM Uguisu-juku Onsen boasts an abundant flow of approximately 100 L per minute at around 50°C. Enjoy this renowned hot spring rising in the mountains of Shizukuishi, Iwate—without added water, heating, filtration, or circulation. A bath that is constantly replenished, gentle on the skin, and softly steaming in the quiet air. Surrender yourself to a source with over 450 years of history for a truly pure hot-spring experience. A large public bath where you can enjoy this “living source” from the mountains of Shizukuishi, Iwate as free-flowing spring water. Beyond the large windows, seasonal forest views unfold before you—take in nature’s changing beauty through the rising steam.
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: Simple Onsen (hypotonic, mildly alkaline, high-temperature spring) ・Spring efficacy: For sensitivity to cold, fatigue recovery, muscle aches, and joint pain.
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・Free-flowing hot spring・Large public bath・Sauna・Free shuttle service
I would like to know the access information.
15 minutes by car from Shizukuishi Station on the JR Akita Shinkansen.\nApproximately 40 minutes by car from JR Morioka Station.
Is parking available?
・Fee: Free for guests ・Parking space: Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces: 42 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.
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