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Kamimaki Onsen Tatsumikan
Gunma Prefecture/Kamimoku OnsenA quiet Accommodation along the Tone River, where you can enjoy Kamimoku Onsen and local mountain cuisine.
A tranquil property along the Tone River with distant views of Mount Tanigawa, "Tatsumikan." The mountains surrounding the property change their appearance with the seasons, and the river provides a constant soothing murmur. A place to truly be yourself... and enjoy time doing nothing. From the depths of your heart, relax... and unwind...
We stayed in a Japanese-modern Room with an open-air bath.The Room had a calming design, and the open-air bath was truly the best.Hearing the sound of the river flowing was so relaxing, it was a bath we wanted to enjoy again and again.The irori cuisine felt quite filling for our elderly parents, but it was very delicious, and we enjoyed it with excitement.And Kiyoshi Yamashita’s mural is breathtaking. You’ll be deeply moved by its warmth, which instantly conveys how much he loved this place.Even after checkout, all the staff saw us off with smiles and waves, making our stay warm and welcoming until the very end.We would definitely like to stay again.
雪ひつじ 5/6/2026A very homey Onsen Accommodation overall. The bathhouse mural by Kiyoshi Yamashita has a nostalgic Showa-era atmosphere, and together with the warmth of the Onsen it is truly soothing. Both dinner and breakfast were satisfying in both portion size and taste. I would like to visit again if I have the chance.
子マロン 5/19/2026
Facilities and Services
See All- Hot spring
- Room with Open-Air Bath
- Spa facility
| IN | 14:00~19:00 |
|---|---|
| OUT | 10:00 |
| Number of rooms | 41 rooms |
| Pet | Not allowed |
| Your child | Permitted |
Photo
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Introduction of the Accommodation

Tatsumi-kan, the property beloved by the artist Kiyoshi Yamashita.
There are two individuals who deeply loved Kamimaki Onsen: the "Naked General" Kiyoshi Yamashita and his mentor, Dr. Ryuzaburo Shikiba. In the 1950s, Kiyoshi visited our inn multiple times with his mentor, leaving behind numerous remarkable works created with collage, watercolor, and markers before his studies in France. The serene and nature-rich land of Kamimaki Onsen seemed to perfectly match Kiyoshi's simple and sincere personality. The large mural in our "Haniwa Bath," titled "Omine Swamp and Mount Tanigawa," is a unique masterpiece in Japan. Based on Kiyoshi's original collage, it was created using special glass in collaboration with Dr. Shikiba and art craftsman Mr. Tezuka. This work, completed with great passion despite Kiyoshi's declining eyesight, stands as one of his final masterpieces before his European studies. We hope you will enjoy and feel refreshed by Kiyoshi's heartfelt works, along with the memories of Kamimaki.

Kamimaki Onsen is a natural hot spring where water from the Tone River, melted from Mount Tanigawa, and rain or snow falling on the Sea of Japan side is warmed underground and emerges after approximately 17 years.

Warm your hands over the glowing charcoal fire and feel a sense of comfort. Enjoy casual irori-style dining with the warmth and nostalgia of irori seating or at simple wooden tables with a shichirin grill.

We offer Rooms primarily in a Japanese style so you can forget the daily hustle and spend your time as your heart desires. Please relax and enjoy your stay.

The murmur of a clear stream, the nostalgic scent of mountain hot springs. Relaxing... Unwinding...
Facilities and Equipment of Accommodation
- The room
- Hot Springs & Baths
- Facilities & Services
- Meal
Basic Information
| Card information | VISA / MASTER / JCB / AMEX / DINERS / UnionPay / Debit card |
|---|---|
| Pets | Not allowed |
| Breakfast | There is no information about breakfast. |
| Your child | You can stay. |
| Room service | Available for use 8:00 AM–10:00 PM |
| Common amenities |
|
| Facilities and Features |
|
| Esthetic Massage | Available Facial treatments from JPY 6,600
Body treatments from JPY 5,500
Latte Spa from JPY 7,150
Hours: 15:00–22:00
Closed on Wednesdays |
| Fitness gym | None |
| Public Bath |
|
| Open-air bath |
|
| Private bath |
|
| Room with Open-Air Bath |
|
| Spring quality and benefits | Sodium and calcium sulfate/chloride Onsen (slightly alkaline, hypotonic, high-temperature spring) Neuralgia, muscle pain, joint pain, frozen shoulder, motor paralysis, joint stiffness, bruises, sprains, chronic digestive disorders, hemorrhoids, sensitivity to cold, recovery after illness, fatigue recovery, health promotion, arteriosclerosis, cuts and wounds (including minor cuts), burns (including minor burns), chronic skin conditions, frail children (pediatric weakness), and chronic gynecological conditions. ※Regarding the notation of "Gensen Kakenagashi" |
| Sauna | Available |
| Hot stone spa | AvailablePriority Accommodation Plan Usage fee: JPY 11,000 (90 minutes) *Reservations are available only if there is availability after check-in.* |
| Others | We will accommodate food allergies as much as possible; however, we may not be able to accommodate last-minute requests, requests requiring many substitutions, or changes based on personal preferences. Please note that we do not currently offer vegan or vegetarian meals. For details, please contact us. |
| About Hygiene Measures | Thank you very much for your continued patronage of “Kamimoku Onsen Nukomori no Accommodation Tatsumikan.”
■Operating Procedures
Dining Area
We ensure ample spacing between tables in the dining area and restaurant, and maintain appropriate ventilation at all times.
Futons
Your futons will remain as they are until check-out. Thank you for your understanding and cooperation.
■For Guests
If you have cold-like symptoms, shortness of breath, severe fatigue, or a high fever, please contact the front desk (extension 7) immediately. Depending on your condition, we may decline accommodation.
■Measures Within the Facility
Hand Sanitizer Stations
Hand sanitizer is available at the entrance, front desk, restrooms, dining area, large public bath, in front of elevators, and other locations.
Disinfection Within the Facility
We thoroughly disinfect all areas frequently touched by guests every day (doorknobs, handrails, elevator buttons, room keys, etc.) using hypochlorous acid water. |
Reviews
- Rooms & Amenities4.48
- Facility4.41
- Hospitality & Service4.75
- Meals4.57
- Onsen & Bath4.57
- Satisfaction4.57
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Gunma Prefecture2052 Kamimoku, Minakami-machi, Tone-gun
TEL:+81-278-72-3055
About 3 minutes from Minakami IC on the Kan-Etsu Expressway via National Route 291.
- Parking Information
- Fee
- Free for guests
- Parking time
- ---
- Parking space
- No restrictions
- Number of parking spaces
- 60 cars available outdoor
- Valet service
- Available (Free)
- Pickup and drop-off information
- Available (Free)Joetsu Shinkansen: Pickup from Jomo-Kogen Station at 13:50 (Reservation required)
Drop-off at 10:10, 11:20, and 11:50
Joetsu Line: Pickup from Kamimoku Station available anytime between 8:00 and 18:00 (Advance notice required)
Frequently Asked Questions
Please provide information about Open-air bath.
・Business Hours: 00:00~24:00 ・Hot spring: Available ・Free-flowing: Available ・Cloudy hot spring water: None ・Supplementary information: 100% natural hot spring After about 17 years, a natural Onsen now flows here.
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: Sodium and calcium sulfate/chloride Onsen (slightly alkaline, hypotonic, high-temperature spring) ・Spring efficacy: Neuralgia, muscle pain, joint pain, frozen shoulder, motor paralysis, joint stiffness, bruises, sprains, chronic digestive disorders, hemorrhoids, sensitivity to cold, recovery after illness, fatigue recovery, health promotion, arteriosclerosis, cuts and wounds (including minor cuts), burns (including minor burns), chronic skin conditions, frail children (pediatric weakness), and chronic gynecological conditions.
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・Private bath・Sauna・Ganbanyoku (rock bathing)・Spa facility・Free shuttle service・Room service
I would like to know the access information.
About 3 minutes from Minakami IC on the Kan-Etsu Expressway via National Route 291.
Is parking available?
・Fee: Free for guests ・Parking space: Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces: 60 cars ・Valet Service: Available (free) If no staff are available, guests are asked to move their vehicles themselves.
Please provide information about Private bath.
・Business Hours: 14:00~23:00 ・Hot spring: Available ・Free-flowing: Available ・Cloudy hot spring water: None ・Supplementary information: 100% natural hot spring (Heating) Private Bath Hours Hina-no-Yu: 14:00–23:30 Fugetsu-no-Yu: 14:00–22:30 Fee: 3,000 yen (tax included) per hour, per bath Reservations are accepted at the front desk. Please note that the baths may not be available during busy periods.
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. Facial treatments from JPY 6,600 Body treatments from JPY 5,500 Latte Spa from JPY 7,150 Hours: 15:00–22:00 Closed on Wednesdays
Do you have a rock bath?
Yes, there is. Priority Accommodation Plan Usage fee: JPY 11,000 (90 minutes) *Reservations are available only if there is availability after check-in.*
What kind of hygiene management is being conducted?
Thank you very much for your continued patronage of “Kamimoku Onsen Nukomori no Accommodation Tatsumikan.” ■Operating Procedures Dining Area We ensure ample spacing between tables in the dining area and restaurant, and maintain appropriate ventilation at all times. Futons Your futons will remain as they are until check-out. Thank you for your understanding and cooperation. ■For Guests If you have cold-like symptoms, shortness of breath, severe fatigue, or a high fever, please contact the front desk (extension 7) immediately. Depending on your condition, we may decline accommodation. ■Measures Within the Facility Hand Sanitizer Stations Hand sanitizer is available at the entrance, front desk, restrooms, dining area, large public bath, in front of elevators, and other locations. Disinfection Within the Facility We thoroughly disinfect all areas frequently touched by guests every day (doorknobs, handrails, elevator buttons, room keys, etc.) using hypochlorous acid water.
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