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- Tamagawa Onsen
Japan's top acidic hot spring, a therapeutic accommodation for health and wellness, with on-site nurses and meals tailored to your condition.
A therapeutic Property at the foot of Mount Yake. With a pH of 1.2 and a source temperature of 98 degrees, it offers Japan's most acidic Onsen directly without any additives. Designed for healing and relaxation, with a nurse always on-site. This Facility focuses on physical and mental health rather than tourism. Breakfast is a buffet, lunch is ordered with meal tickets, and dinner is cafeteria-style to promote health from within. For those wishing to enjoy the Onsen as a tourist attraction, please use the affiliated facility, Shin-Tamagawa Onsen.
Breathtaking views with rising steam and a wonderful Onsen.I was very satisfied.You can also adjust the meal portions to your liking.I also enjoyed a day-use bath at Shin-Tamagawa Onsen using the guest-only ticket.If possible, a Shuttle Service bus from Tazawako Station would be a huge help for someone like me who doesn’t drive. I’d be happy to pay for a shuttle bus service.
Yahoo!トラベルユー... 8/7/2026We had the opportunity to stay as a couple at the therapeutic lodging at Tamagawa Onsen, which we had long wanted to visit.The Onsen lived up to its reputation for highly carbonated water; the 100% bath in particular gave us a tingling, almost numbing sensation, but we took it as part of the unique Tamagawa experience and tried every other bath as well.We were impressed by how clean and well-equipped the shared kitchen in the accommodation building was.If we have the chance, we would like to return and stay longer.We are also grateful for the excellent service from both the parking staff and all other staff members.Thank you very much.
Yahoo!トラベルユー... 6/5/2026
Facilities and Services
See All- Hot spring
| IN | 15:00～18:00 |
|---|---|
| OUT | 10:00 |
| Number of rooms | 141 rooms |
| Pet | Not allowed |
| Your child | Permitted |
Photo
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- Japanese-style Room
- Capacity 1~2 people
- Japanese-style Room
- 8㎡
- Capacity 1~4 people
- Twin
- 22㎡
- Capacity 1~2 people
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Introduction of the Accommodation
Experience the comprehensive qualities of abundant water, spring quality, benefits, nature, and onsen culture.
A rare hot spring with hydrochloric acid as its main component, containing radium. The low-radiation hormesis effect, noted in the medical field, promotes natural healing abilities and revitalizes the body. This source boasts the highest discharge rate in Japan, ejecting approximately 9,000 liters per minute, known as "Obuki." The sight of hot water gushing, white smoke rising, and the accompanying sounds is truly spectacular.
The birthplace of Ganbanyoku, "Tamagawa Onsen," is a power spot where you can experience the energy of nature. Just a 5-minute walk away, there is a geothermal rocky area along the Tamagawa Onsen Nature Research Path. Ganbanyoku, or hot stone therapy, involves absorbing geothermal heat from the rocks into your body. It also contains trace amounts of radiation and abundant negative ions, which are known to promote metabolism and provide pain relief.
Facilities and Equipment of Accommodation
- The room
- Hot Springs & Baths
- Facilities & Services
- Meal
Basic Information
| Card information | VISA / MASTER / JCB / Debit card |
|---|---|
| Pets | Not allowed |
| Breakfast | There is no information about breakfast. |
| Your child | You can stay. High chair for toddlers |
| Room service | Not available |
| Common amenities |
|
| Facilities and Features |
|
| Esthetic Massage | None |
| Fitness gym | None |
| Public Bath |
|
| Private bath |
|
| Spring quality and benefits | ※Regarding the notation of "Gensen Kakenagashi" |
| Sauna | Available |
| Hot stone spa | Available |
| Others | ■Other Card Information Saison Card |
Reviews
- Rooms & Amenities3.90
- Facility3.97
- Hospitality & Service4.25
- Meals4.16
- Onsen & Bath4.98
- Satisfaction4.59
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Akita PrefectureSemboku City, Tazawako Tamagawa, Shibukurozawa
TEL：+81-187-58-3000
◆ Nearest Station: Tazawako Station (75 minutes by bus)
◆ Nearest IC: Morioka IC (110 minutes by car), Kazuno Hachimantai IC (50 minutes by car)
- 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
- Unavailable
Frequently Asked Questions
What kind of facilities and features are available?
There are the following facilities and features. Hot spring・Large public bath・Private bath・Sauna・Ganbanyoku (rock bathing)
I would like to know the access information.
◆ Nearest Station: Tazawako Station (75 minutes by bus) ◆ Nearest IC: Morioka IC (110 minutes by car), Kazuno Hachimantai IC (50 minutes by car)
Is parking available?
・Fee： Free for guests ・Parking space： Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces： 50 cars ・Valet Service： Unavailable
Please provide information about Private bath.
・Business Hours: 03:00～24:00 ・Hot spring: None ・Free-flowing: None ・Cloudy hot spring water: None ・Supplementary information: 100% natural hot spring (Add water) Bathing available 24 hours (except during cleaning time from 12:00 AM to 3:00 AM) Day-use bathing: 9:00 AM to 4:00 PM
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.