About this property
Housing natural hot-spring baths in tranquil hills of Kose, Kose Onsen is a 15-minute drive from JR Karuizawa Station. Free WiFi access is offered throughout the entire property, and on-site dining is available. Guests at Kose Onsen can make a reservation for the private use of the hot spring bath, free of charge. Featuring mountain views, the elegant rooms have a seating area with a TV and an electric kettle. Private bathroom is fitted with a bath, a shower and free toiletries. Breakfast and dinner of Japanese or Western cuisine are served daily with fresh seasonal ingredients. A prior reservation is required for meal services. From the ryokan, Kyukaruizawa Golf Club is a 15-minute drive and Karuizawa Prince Shopping Plaza is a 20-minute drive away. Karuizawa Snow Park is a 30-minute drive from the property.
Distance in property description is calculated using © OpenStreetMap
Most popular facilities
- Free parking
- Family rooms
- Free WiFi
Property highlights
Top location: Highly rated by recent guests (8.0)
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Free private parking available on-site
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Open-air bath, Public Bath, Hot spring bath
Guest reviews
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Guests who stayed here loved
- Ehj
Netherlands“Fantastic dinner. Good Japanese breakfast, of which I am no fan. Nice private onsen.” - Ditte
Denmark“Great place - it felt like traveling back in time to a place of tranquility and calm” - Johannes
Germany“Quiet and cosy Ryokan with retro-charme and good food” - Carla
Spain“It was a great experience but I expected more from the breakfast, although it was also good. The room was clean, the onsen was really nice. Very easy to get to the city with a bus.” - Rosalia
United Kingdom“Very traditional & small hot spring hotel in the mountain with nice view.” - Martina
Czech Republic“Very nice old style ryokan surrounded by nature. Very cozy private rotenburo. Nice japanese breakfast.” - Pak
Hong Kong“Surrounding was very quiet and serene. Not crowded” - Damon United Kingdom“Very remote onsen in a national park away from the busy city so noise pollution was non existent. There was a stream running from outside our room so which was very relaxing if you enjoy those sounds. The private onsen which you could book when...”
- Mei
Taiwan“The hot spring is good and location is beautiful.” 
Fabrizio
Switzerland“Staff was very kind and patient since I do not understand Japanese too well. The food was great”
Property surroundings
House rules
Child policies
Children of any age are welcome.
To see correct prices and occupancy information, please add the number of children in your group and their ages to your search.
Cot and extra bed policies
Cots and extra beds are not available at this property.
The fine print
To eat dinner at the property, a reservation must be made at time of booking. (Charges apply)
Guests must check in by 19:00 to eat dinner at the property. Guests who check in after this time may not be served dinner, and no refund will be given.
Please note, guests with children must inform the property of the number and age of children prior to their arrival. Child rates may apply for children.
Please inform Kose Onsen in advance of your expected arrival time. You can use the Special Requests box when booking, or contact the property directly with the contact details provided in your confirmation.
