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- Keiunkan Inn, Nishiyama Onsen, Entirely Fed by Natural Hot Springs
Keiunkan Inn, Nishiyama Onsen, Entirely Fed by Natural Hot Springs
Yamanashi Prefecture／NishiyamaAll baths in the Accommodation are fed directly from the natural hot spring source. Located in Yamanashi Prefecture, this is the world’s oldest Accommodation.
At Nishiyama Onsen Keiunkan, a Property featuring an all-onsen flow system, you can fully enjoy the hot spring discovered in the year Keiun 2 (705 AD), as well as the new onsen water, yielding over 1,630 liters per minute, excavated in celebration of 1,300 years since its opening. From the bath in your Room to the hot water supply, everything is sourced directly from the onsen. All the onsen baths are pure and untouched, with a source temperature exceeding 52 degrees Celsius, allowing you to experience the high-quality onsen without any added water or heating. The panoramic bath on the top floor features a hinoki (Japanese cypress) bath with a soothing wooden aroma and a stone bath that glimmers uniquely with the flowing water. Indulge in the luxury of gazing at the breathtaking panorama of nature as if you could reach out and touch it. Additionally, the open-air bath overlooking the pristine beauty of the Hayakawa Valley offers a refreshing experience with the cool breeze. There are also private open-air baths available for exclusive use, expanding the joy of bathing. All baths are accessible 24 hours a day, allowing you to enjoy them at any time you prefer. Relish the six distinct types of baths, including the panoramic bath and open-air bath, to your heart's content.
After about an hour on the Shuttle Service bus from Minobu Station, this luxurious Accommodation suddenly appears deep in the mountains.The lush greenery and the sound of the river were truly refreshing.I had often heard my parents say they spotted it during a drive many years ago, so I visited to check it out.The Room was spacious, and I had a very comfortable stay.I thought my elderly parents would enjoy this Accommodation as well, so I made a Reservation for next week too.
spring4 7/13/2026We stay here every year around this time to celebrate my mother’s birthday.The Accommodation has a very calm atmosphere, and we were very satisfied with both the bath and the meals, making it a wonderful trip.We are also grateful for the birthday gift you gave my mother.We look forward to staying with you again.
チー太 5/19/2026
Facilities and Services
See All- Hot spring
- Room with Open-Air Bath
| IN | 15:00～17:00 |
|---|---|
| OUT | 10:00 |
| Number of rooms | 27 rooms |
| Pet | Not allowed |
| Your child | Permitted |
Photo
See All
- Japanese-style Room
- Capacity 1~6 people
- Japanese-style Room
- Capacity 1~6 people
- Japanese-style Room
- Capacity 1~7 people
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Introduction of the Accommodation
The main Rooms are spacious with a size of 12 tatami mats, designed in a serene and elegant Japanese style. All the furnishings exude the spirit of Japanese tradition. The luxurious and artistically crafted space offers a sense of relaxation. From the windows, you can enjoy the view of the Kai mountain range resembling a landscape painting, and from any Room, you can admire the beautiful scenery of the Hayakawa and Yukawa valleys.
The Onsen discovered in 705 AD (Keiun 2nd year), along with the new spring water excavated to commemorate the 1300th anniversary of its opening, flowing at over 1,630 liters per minute, can be fully enjoyed in the Room's bath and hot water supply. The pure spring water, without heating or dilution, has high alkalinity and excellent skin-beautifying effects. When consumed, it is highly effective for stomach ailments, diabetes, high blood pressure, and constipation.
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 / DINERS |
| Pets | Not allowed |
| Breakfast | There is no information about breakfast. |
| Your child | You can stay. |
| Room service | Not available |
| Common amenities |
|
| Facilities and Features |
|
| Esthetic Massage | None |
| Fitness gym | None |
| Public Bath |
|
| Open-air bath |
|
| Private bath |
|
| Room with Open-Air Bath |
|
| Spring quality and benefits | Sodium, Calcium, Sulfate, and Chloride Spring Gastrointestinal illness, muscle pain, constipation relief, and skin-enhancing benefits ※Regarding the notation of "Gensen Kakenagashi" |
| Sauna | Available |
| Hot stone spa | None |
| Others | Smoking is prohibited in all rooms. |
| About Hygiene Measures | Our Measures in Response to COVID-19
Thank you very much for your continued patronage.
Nishiyama Onsen Keiunkan has been temporarily closed as part of efforts to prevent the spread of COVID-19. As we resume operations on Friday, May 29, we will further strengthen the measures below to protect the health and safety of our guests and employees.
We sincerely appreciate your understanding and cooperation.
Overview of Key Measures at Nishiyama Onsen Keiunkan
[Measures]
- Staff will wear masks, with consideration for guests’ health, safety, peace of mind, and public hygiene.
- Hand sanitizer will be placed in public areas, and staff will increase the frequency of disinfection.
- Thorough ventilation and disinfection during Room cleaning.
- VB hand towels (oshibori) provided at dinner and breakfast.
*VB oshibori: “VB” is a patented technology that suppresses viruses and bacteria by 99.99% or more.
- Enhanced disinfection of in-house slippers.
[Check-in]
- Guests arriving by car are usually assisted by staff who park the vehicle; however, if you prefer, a staff member will accompany you to the parking area (500 m away). For vehicles moved by staff, gloves will be worn.
- We ask for your cooperation with hand sanitizing and temperature checks at the entrance.
*Guests with a fever or who are feeling unwell may be asked to refrain from staying.
Luggage is normally carried to your Room by staff; if you prefer otherwise, please let us know.
- Check-in procedures are usually completed in the lobby; however, to avoid crowding, we will escort you directly to your Room.
We will ask you to fill in your name details and provide an explanation of facilities/services.
[Baths]
- Hand sanitizer available
- Staff disinfection of doors, washbasins, hair dryers, shower heads/faucets in washing areas; full daytime disinfection of the bathing area
- Extended cleaning time for private baths
[Dinner & Breakfast]
- Hand sanitizer available at restaurant entrances
- Seating arranged with ample spacing to avoid crowding
- VB hand towels (oshibori) provided during meals
- Disinfection before and after meals
*Cleaning tables, chairs, and tatami mats
[Payment/Checkout]
- Hand sanitizer available at the front counter
If requested in advance:
Payment can be completed in your Room. *Your car can be prepared on-site in advance. |
Reviews
- Rooms & Amenities4.12
- Facility4.10
- Hospitality & Service4.49
- Meals4.54
- Onsen & Bath4.61
- Satisfaction4.44
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Yamanashi Prefecture83 Yushima Shirasawa, Hayakawa-cho, Minamikoma-gun
TEL：+81-556-48-2111
■By Car
[Via the Chuo Expressway]
● Tokyo → Kofu-Minami IC → Ichikawadaimon → Hayakawa → Nishiyama Onsen (approx. 90 min)
● Tokyo → Kawaguchiko IC → Lake Motosu → Shimobe/Hayakawa → Nishiyama Onsen (approx. 120 min)
● Nagoya → Futaba JCT → Shimobe-Onsen Hayakawa IC → Hayakawa → Nishiyama Onsen (approx. 50 min)
[Via the Tomei Expressway]
● Tokyo → Fuji IC → Lake Motosu → Shimobe/Hayakawa→ Nishiyama Onsen (approx. 120 min)
● Nagoya→ Shin-Shimizu ICT→ Chubu-Odan Expressway Nanbu IC / Hayakawa→ Nishiyama Onsen (approx. 50 min)
■By Public Transportation
● Kofu Station (Chuo Main Line) → get off at Minobu Station, then bus for 90 min → Nishiyama Onsen
● Fuji Station (Tokaido Main Line)→ get off at Minobu Station, then bus for 90 min→ Nishiyama Onsen
*We recommend using our Shuttle Service. Pick-up at Minobu Station: 13:40 / Drop-off from our property: 9:50. (Advance Reservation required.)
- 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
- Available (Free)Shuttle Service from Minobu Station is available. (Advance Reservation required)
Pick-up time at Minobu Station: 13:40
Next day drop-off Shuttle Service: Departs at 9:50
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 24 hours
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, Calcium, Sulfate, and Chloride Spring ・Spring efficacy: Gastrointestinal illness, muscle pain, constipation relief, and skin-enhancing benefits
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・Free shuttle service
I would like to know the access information.
■By Car [Via the Chuo Expressway] ● Tokyo → Kofu-Minami IC → Ichikawadaimon → Hayakawa → Nishiyama Onsen (approx. 90 min) ● Tokyo → Kawaguchiko IC → Lake Motosu → Shimobe/Hayakawa → Nishiyama Onsen (approx. 120 min) ● Nagoya → Futaba JCT → Shimobe-Onsen Hayakawa IC → Hayakawa → Nishiyama Onsen (approx. 50 min) [Via the Tomei Expressway] ● Tokyo → Fuji IC → Lake Motosu → Shimobe/Hayakawa→ Nishiyama Onsen (approx. 120 min) ● Nagoya→ Shin-Shimizu ICT→ Chubu-Odan Expressway Nanbu IC / Hayakawa→ Nishiyama Onsen (approx. 50 min) ■By Public Transportation ● Kofu Station (Chuo Main Line) → get off at Minobu Station, then bus for 90 min → Nishiyama Onsen ● Fuji Station (Tokaido Main Line)→ get off at Minobu Station, then bus for 90 min→ Nishiyama Onsen *We recommend using our Shuttle Service. Pick-up at Minobu Station: 13:40 / Drop-off from our property: 9:50. (Advance Reservation required.)
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.
・Hot spring: Available ・Free-flowing: Available ・Cloudy hot spring water: None ・Supplementary information: 100% natural hot spring 2:30 PM–9:30 PM / 7:00 AM–9:00 AM *Reservation required at least 30 minutes in advance Cleaning hours apply
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.
What kind of hygiene management is being conducted?
Our Measures in Response to COVID-19 Thank you very much for your continued patronage. Nishiyama Onsen Keiunkan has been temporarily closed as part of efforts to prevent the spread of COVID-19. As we resume operations on Friday, May 29, we will further strengthen the measures below to protect the health and safety of our guests and employees. We sincerely appreciate your understanding and cooperation. Overview of Key Measures at Nishiyama Onsen Keiunkan [Measures] - Staff will wear masks, with consideration for guests’ health, safety, peace of mind, and public hygiene. - Hand sanitizer will be placed in public areas, and staff will increase the frequency of disinfection. - Thorough ventilation and disinfection during Room cleaning. - VB hand towels (oshibori) provided at dinner and breakfast. *VB oshibori: “VB” is a patented technology that suppresses viruses and bacteria by 99.99% or more. - Enhanced disinfection of in-house slippers. [Check-in] - Guests arriving by car are usually assisted by staff who park the vehicle; however, if you prefer, a staff member will accompany you to the parking area (500 m away). For vehicles moved by staff, gloves will be worn. - We ask for your cooperation with hand sanitizing and temperature checks at the entrance. *Guests with a fever or who are feeling unwell may be asked to refrain from staying. Luggage is normally carried to your Room by staff; if you prefer otherwise, please let us know. - Check-in procedures are usually completed in the lobby; however, to avoid crowding, we will escort you directly to your Room. We will ask you to fill in your name details and provide an explanation of facilities/services. [Baths] - Hand sanitizer available - Staff disinfection of doors, washbasins, hair dryers, shower heads/faucets in washing areas; full daytime disinfection of the bathing area - Extended cleaning time for private baths [Dinner & Breakfast] - Hand sanitizer available at restaurant entrances - Seating arranged with ample spacing to avoid crowding - VB hand towels (oshibori) provided during meals - Disinfection before and after meals *Cleaning tables, chairs, and tatami mats [Payment/Checkout] - Hand sanitizer available at the front counter If requested in advance: Payment can be completed in your Room. *Your car can be prepared on-site in advance.
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