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- Shima Onsen Kotobukiya Ryokan
Shima Onsen Kotobukiya Ryokan
Gunma Prefecture／NakanojoEnjoy in-Room dining, our traditional handmade soba passed down for three generations, and a relaxing moment in a free private open-air bath.
A small, traditional Onsen Accommodation nestled in the quietest, most secluded part of Shima Onsen, surrounded by gentle tranquility. Both dinner and breakfast are served in your Room. With a history that began as a soba shop, you can enjoy handmade soba at dinner—crafted using a recipe passed down through three generations since our founding. Our free private open-air bath features 100% natural hot spring water, continuously flowing from the source. We also offer covered parking for added convenience for touring guests. Fill your stomach, soak in the Onsen, and sleep soundly. Step away from the rush of everyday life and fully savor the luxury of doing nothing.
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Facilities and Services
See All- Hot spring
| IN | 14:00～17:00 |
|---|---|
| OUT | 10:00 |
| Number of rooms | 7 rooms |
| Pet | Not allowed |
| Your child | Permitted |
Photo
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![Stroll over the Shima Blue [Oku-Shima Lake Canoeing]](https://www.img-ikyu.com/contents/common/image/acc6/00901036/0/org/11686930.jpg?auto=compress,format&lossless=0&fit=crop&w=200&h=200&q=30)
Introduction of the Accommodation
It all began with a single soba restaurant. A 7-room Accommodation featuring the traditional “Yakushi Soba.”
With a long history as a therapeutic hot-spring retreat, Shima Onsen is where Kotobukiya Ryokan began—as a single soba shop. Located just steps from Yakushido Hall and Gomusō-no-Yu, our story started by serving soba to Onsen guests visiting for worship and healing. That tradition has been carefully passed down even after becoming an Accommodation, now in its third generation. Using the same method since our founding and Shima’s delicious water, we make soba every day with heartfelt care. Today, you can enjoy this flavor at dinner. Please savor our traditional taste—crafted with meticulous attention and delicate finesse.
Sample Dishes
At Kotobuki Ryokan, both breakfast and dinner are served in your Room. Dinner features a Japanese set meal generously prepared with seasonal seafood and mountain delicacies—enjoyable as a meal or paired with sake. Breakfast is a gently seasoned Japanese set meal to start your day comfortably. We hope you enjoy our soba, of course, but another recommendation is Joshu Beef, a Gunma specialty: beautifully marbled steak grilled on a ceramic plate. Raised in the lush natural surroundings of Gunma—between the clear streams of the Tone River and renowned peaks (Mt. Akagi, Mt. Haruna, and Mt. Myogi)— it is prized for its refined flavor, rich fat, and melt-in-your-mouth tenderness.
Bath
Kotobuki Ryokan offers a shared rock bath (indoor) and a free private open-air bath. Shima Onsen has long been said to be effective for “40,000 ailments,” and its carefully selected free-flowing hot spring water is known for its soft, gentle feel on the skin. Rich in the moisturizing mineral metasilicic acid, it also provides excellent skin-beautifying benefits. Enjoy silky-smooth skin to take home with you.
Lake Okushima
When you stay with us, be sure to visit Lake Okushiman for sightseeing. This man-made reservoir, created by the Shima River Dam, is known for its breathtaking cobalt-blue surface. It is said that this color appears because red light is absorbed as sunlight passes through the water, leaving only blue and green light to reach our eyes (there are various theories). On the way to Lake Okushiman, at Hinatami Park, you can look up at the massive dam wall from below—an impressive structure with a height of 89.5 meters. This is also well worth seeing.
Facilities and Equipment of Accommodation
- The room
- Hot Springs & Baths
- Meal
Basic Information
| Taxes | A Hot Spring Tax of JPY 150 per person per night will be charged separately. |
|---|---|
| Card information | VISA / MASTER / JCB / AMEX / DINERS |
| Pets | Not allowed |
| Breakfast | There is no information about breakfast. |
| Your child | You can stay. |
| Room service | Not available |
| Common amenities |
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| Facilities and Features |
|
| Esthetic Massage | None |
| Fitness gym | None |
| Public Bath |
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| Private bath |
|
| Spring quality and benefits | Sulfate Spring Neuralgia, muscle pain, joint pain, frozen shoulder, motor paralysis, joint stiffness, bruises, sprains, chronic digestive disorders, sensitivity to cold, recovery after illness, fatigue recovery, health promotion, arteriosclerosis, cuts and wounds, burns ※Regarding the notation of "Gensen Kakenagashi" |
| Sauna | None |
| Hot stone spa | None |
| Others | ●Cashless payments accepted● The following payment methods are also available: Apple Pay / Transportation IC cards / iD / QUICPay / PayPay |
Reviews
The overall facility score is not displayed because the required number of reviews has not been reached.
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Gunma Prefecture4367-6 Shima, Nakanojo-machi, Agatsuma-gun, Gunma, Japan
TEL：+81-279-64-2515
[By Car]
Approx. 60 minutes from Shibukawa IC on the Kan-Etsu Expressway
[By Train]
40 minutes by bus from Nakanojo Station on the JR Agatsuma Line
Free Shuttle Service available from the final stop, “Shima Onsen”
*If you use a car navigation system, we recommend setting “Hinatami Yakushido” (Important Cultural Property), located within a 1-minute walk from our property.
(If you search by phone number or postal code, the navigation may end partway.)
- Parking Information
- Fee
- Free for guests
- Parking time
- ---
- Parking space
- Overall length --- Vehicle width ---Vehicle height 2.5 m
- Number of parking spaces
- 8 cars available Outdoor mechanical
- Valet service
- Unavailable
- Motorcycle parking is also available.
- As parking spaces are limited, we may ask to hold your car keys at check-in and move your vehicle if necessary. Thank you for your understanding and cooperation so we can accommodate as many guests as possible.
- Pickup and drop-off information
- Available (Free)From the last stop of the local bus, “Shima Onsen”
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: Sulfate Spring ・Spring efficacy: Neuralgia, muscle pain, joint pain, frozen shoulder, motor paralysis, joint stiffness, bruises, sprains, chronic digestive disorders, sensitivity to cold, recovery after illness, fatigue recovery, health promotion, arteriosclerosis, cuts and wounds, burns
What kind of facilities and features are available?
There are the following facilities and features. Hot spring・Free-flowing hot spring・Large public bath・Private bath・Free shuttle service
I would like to know the access information.
[By Car] Approx. 60 minutes from Shibukawa IC on the Kan-Etsu Expressway [By Train] 40 minutes by bus from Nakanojo Station on the JR Agatsuma Line Free Shuttle Service available from the final stop, “Shima Onsen” *If you use a car navigation system, we recommend setting “Hinatami Yakushido” (Important Cultural Property), located within a 1-minute walk from our property. (If you search by phone number or postal code, the navigation may end partway.)
Is parking available?
・Fee： Free for guests ・Parking space： Length --- Vehicle width --- Vehicle height 2.5m ・Number of parking spaces： 8 cars ・Valet Service： Unavailable - Covered parking available (height limit: 2.5 m) - Motorcycle parking is also available. - As parking spaces are limited, we may ask to hold your car keys at check-in and move your vehicle if necessary. Thank you for your understanding and cooperation so we can accommodate as many guests as possible.
Please provide information about Private bath.
・Business Hours: 14:00～09:30 ・Hot spring: Available ・Free-flowing: Available ・Cloudy hot spring water: None ・Supplementary information: 100% natural hot spring The facility is unavailable from 11:00 PM to 6:30 AM due to cleaning./ Please refrain from using it during meal times (6:00 PM–7:30 PM and 8:00 AM–9:00 AM the following morning). Thank you for your understanding./ Use is free of charge. Please hang the sign and use it when available./ Guests with tattoos are welcome to use the private bath only. Please refrain from using the public bath./