What is the Kose Onsen phone number?

For assistance regarding your reservation at Kose Onsen please call +81 267 423 000.

Does Kose Onsen have Wi-Fi available?

Yes, Kose Onsen has Wi-Fi available to hotel guests.

What is the check-out time at Kose Onsen?

10:00 is the check-out time at Kose Onsen. Late check-out may be available, but needs to be agreed with the hotel.

How much does it cost to stay at Kose Onsen, Karuizawa?

Kose Onsen room prices depend on your dates, room type and availability. The average price found recently is $267/night, with the best deals starting from $200/night. To see current deals, enter your dates in the form above .

What is the cheapest month to stay at Kose Onsen?

For the best chance to save money on your Kose Onsen reservation, consider staying in June, when prices are typically at their lowest ($163).

Kose Onsen

Hotel

3 stars

Nagakura 2126, 389-0111, Karuizawa, Nagano Prefecture, Japan

Karuizawa, Japan

+81 267 423 000

8.2

Excellent

based on 252 reviews

252 verified ratings

Provider

Provider for Kose Onsen

Photos of Kose Onsen

Best deals for Kose Onsen

Mon 14/9

Tue 15/9

Kose Onsen Information

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...

Good to know

Check-in time	14:00
Check-out time	10:00
Payment & Cancellation	Policies vary by room type and provider.
Front desk number	+81 267 423 000

Licence number: 長野県小諸保健所指令51小保環第908号

Perks and amenities at Kose Onsen

Free Wi-Fi
Free parking
Wi-Fi available in all areas
Flat-screen TV
TV
Free toiletries
Internet
Hairdryer
Refrigerator
Air-conditioned

General

Window
Yukata (Japanese bathrobe)
Electric kettle
Bathtub
Body soap
Hairdryer
Family rooms
Towels
Tatami (traditional Japanese flooring)
Telephone
Mountain view
Seating area
Air-conditioned
Flat-screen TV
Refrigerator
Toilet
Free toiletries
Open-air bath
Shampoo
Toilet paper
Toothbrush
Shared lounge/TV area
Cleaning products
Heating
Shower
Dustbins
Hot spring bath
TV
Free parking
Conditioner
Vending machine (drinks)
First-aid kit
Private bathroom
Garden
Private parking

Activities

Public bath

Services

Key access

Show all 37 amenities

Reviews for Kose Onsen

100% verified.We collect and display reviews from only verified bookings made by real users with HotelsCombined or with our trusted external partners.

8.2

Very Good252 verified ratings

Pros +

Looking out the hotel was beautiful. (in 3 reviews)
"The staff speaks limited English, but they are very friendly and helpful." (in 4 reviews)
The private onsen was wonderful. (in 14 reviews)

Cons -

Futons are a little too thin. (in 2 reviews)
Location was both good and not so good. (in 1 review)

No reviews found. Try removing a filter, changing your search, or clear all to view reviews.

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Kose Onsen

View a collection of 0 photos showcasing the rooms, amenities, and facilities of Kose Onsen to help you visualise your stay. Photos for this property were last updated on 7 September 2026.

Best deals for Kose Onsen

Explore the most appealing deals available for Kose Onsen, ensuring you get the best value for your stay. Properties were last updated on 7 September 2026.

Kose Onsen Information

Discover essential information, amenities, and features of Kose Onsen, providing insights into what to expect during your stay. Information on this property was last updated on 7 September 2026.

Good to know

Perks and amenities at Kose Onsen

A comprehensive list of on-site, in-building, and in-room amenities you’ll find at Kose Onsen

Reviews for Kose Onsen

Read firsthand reviews and testimonials from guests who have stayed at Kose Onsen, providing insights into their experiences. Travellers have left 252 reviews of Kose Onsen to date. Review data was last updated on 7 September 2026.

Pros +

Cons -

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Explore Karuizawa

Kose Onsen is located at Nagakura 2126 in the neighbourhood of Karuizawa. Popular landmark data was lasted updated on 7 September 2026.

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FAQs when booking at Kose Onsen

What is the Kose Onsen phone number?

Does Kose Onsen have Wi-Fi available?

What is the check-out time at Kose Onsen?

How much does it cost to stay at Kose Onsen, Karuizawa?

What is the cheapest month to stay at Kose Onsen?

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