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From263US$ /night
Check-in
05Mar2026Select date
Check-out
06Mar2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

Nagakura 2126, Karuizawa, Japan, 389-0111
-
Near Ryugaeshi no Taki Waterfall
Great
8.1
8.3
/10

Relaxation and Wellness

Kose Onsen offers an exclusive onsen experience with natural hot spring baths, allowing guests to unwind in soothing mineral-rich waters. The facility includes both indoor and outdoor baths, providing various settings for relaxation. A specially designed open-air bath gives guests unique views of the surrounding nature.

Accommodation Options

Guest rooms at Kose Onsen are styled with a traditional Japanese aesthetic, incorporating tatami mat flooring for a unique ambient feel. Select rooms offer private onsen baths, providing an intimate space for relaxation. The property features both Japanese-style and Western-style rooms to cater to diverse preferences.

Dining Experiences

The hotel features an on-site restaurant that specializes in kaiseki cuisine, offering a multi-course dining experience. Meals are prepared using seasonal and locally sourced ingredients, highlighting the region's culinary offerings. Guests can also enjoy breakfast that includes local specialties.

Nearby Attractions

Kose Onsen is located within proximity to popular hiking trails, providing guests with opportunities to explore the picturesque landscapes. The hotel is a short distance from the Karuizawa area, known for its shopping and gourmet dining options. Access to winter sports facilities is easily available, enhancing guests' stay throughout different seasons.

Activities and Amenities

The hotel offers seasonal activities, including ski access during winter months and cycling in summer. On-site rental equipment is available, ensuring guests are prepared for their adventures. A relaxing lounge area provides a communal space for socializing after a day of exploring.

Highlights

Location: Close to popular hiking trails .

Rooms: Private onsen baths available .

Dining: Kaiseki cuisine with local ingredients .

Amenities: Seasonal activities with on-site rentals .

“Kose Onsen, nestled away from Karuizawa's bustle, offers a serene escape defined by its natural hot springs and attentive staff. I appreciate the chance to privately reserve an onsen and the traditional rooms; it's a great way to embrace a slower pace. For those seeking a quiet retreat immersed in nature, this ryokan presents an authentic and restorative experience.”
Hotel logo
James DavidEditor-in-Chief at Tohotel
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Select your room type

Kose Onsen Hotel offers a variety of rooms including double rooms, family rooms, and suites with breakfast, free cancelations, and special deals
Japanese-Style Standard Room
2 persons
140 sq. feet 
4 Single beds
Shower
Heating
Twin Room
2 persons
140 sq. feet 
2 Single beds
Shower
Heating
Japanese-Style Quadruple Room
2 persons
140 sq. feet 
4 Single beds
Shower
Heating

Price and Room Availability Calendar

Check availability and prices for your dates now!

Facilities

Kose Onsen Hotel offers amenities for your comfortable stay and unforgettable experiences
Facilities: Very good
7.9/10Review score

General

  • Wi-Fi
  • Free parking
  • No pets allowed
  • Vending machines
  • Key access

Guest Parking

  • Electric kettle

Spa & Leisure

  • Garden area
  • Leisure/ TV room
  • Hot spring bath
  • Open-air bath
  • Public Bath

Room features

  • Air conditioning
  • Heating
  • Sitting area

Bathroom

  • Free toiletries

Self-catering

  • Electric kettle

Media

  • Flat-screen TV
Show more

Kose Onsen Hotel Location

Nagakura 2126, Karuizawa, Japan, 389-0111
Map view
Nagakura 2126, Karuizawa, Japan, 389-0111
Nearby
Nagakura
Ryugaeshi no Taki Waterfall
1700 ft
Explore Karuizawa
Local Highlights
Top Attractions
Activities
Dining
Entertainment
The Legation of Switzerland
The Legation of Switzerland
15 minutes' walk
Historic site showcasing Swiss culture in Japan, featuring beautiful architecture and tranquil gardens, perfect for a leisurely visit.
Karuizawa Yacho no Mori
Karuizawa Yacho no Mori
30 minutes' walk
A serene nature park that serves as a birdwatching haven and educates visitors about local wildlife and conservation efforts.
Karuizawa St. Paul's Catholic Church
Karuizawa St. Paul's Catholic Church
40 minutes' walk
Beautiful church known for its stunning architecture and peaceful surroundings; a great spot for reflection and photography.
Ryugaeshi no Taki Waterfall
Ryugaeshi no Taki Waterfall
10 minutes' walk
Picturesque waterfall providing a perfect backdrop for relaxation and nature photography; easily accessible from the hotel.
Hiking at Mt. Asama
35 minutes' drive
Scenic hiking trails offering stunning views for adventure seekers; guided tours available and varying difficulty levels.
Yoga at Local Studios
10 minutes' drive
Relaxing yoga sessions in serene settings; classes suitable for all levels and opportunities for private sessions.
Karuizawa Snow Park
40 minutes' drive
Exciting family-friendly ski destination featuring diverse slopes; rental services and ski schools available for all levels.
Local Festivals
15 minutes' drive
Seasonal cultural festivals celebrating local traditions with music, food, and crafts; perfect for immersive experiences.
Karuizawa Kitchen
10 minutes' drive
Casual dining spot featuring local ingredients and a relaxed atmosphere; known for udon noodles and seasonal dishes.
Ristorante La Dolce Vita
15 minutes' drive
Fine dining restaurant serving authentic Italian cuisine with a sophisticated ambiance; reservations recommended.
Coffee Shop Harmony
10 minutes' walk
Charming café with a cozy vibe, featuring artisanal coffee and freshly baked pastries; perfect for a light snack.
Sushi Shiki
15 minutes' drive
Traditional sushi spot offering a wide range of fresh seafood; vegetarian options available, and chef's specials change regularly.
Karuizawa Performing Arts Center
15 minutes' drive
Exquisite venue featuring live music performances and cultural events; a hub for arts lovers and family-friendly shows.
Local Night Market
10 minutes' drive
Vibrant atmosphere with various food stalls and local crafts; perfect for families and those looking for unique souvenirs.
The Lounge at Hotel Cypress
35 minutes' drive
Stylish lounge with live jazz and cocktail nights; ideal for couples wanting a romantic evening or business travelers unwinding.
Art Gallery at Hoshino Resort
40 minutes' drive
Showcasing modern and contemporary art; this gallery hosts rotating exhibits, perfect for culture enthusiasts of all ages.
Getting around
City Centre
Karuizawa7 min  ·  2.8 mi
Airports
Shinshu-Matsumoto Airport (MMJ)140 min  ·  57.7 mi
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Property information and rules
Check-in
from 14:00-18:00
Check-out
until 10 am
Guest Parking
Private parking is possible on site for free.
Internet
Wireless internet is available in for free.
Children & extra beds
There are no cots provided in a room. 
Pets
Pets are not allowed.
Number of rooms:
17

Reviews and Ratings

Feedback about Kose Onsen Hotel from previous guests about their experience.
Review score
Based on 50 verified reviews
7.8/10
Very good
76%
Recommend
Breakfast
8.3/10
Cleanliness
7.9/10
Comfort
7.9/10
Facilities
7.9/10
Free Wi-Fi
8.7/10
Location
8.0/10
Staff
8.5/10
Value for money
7.6/10
Pros
Private onsen
Friendly staff
Quiet location
Good room size
Cons
Room cleanliness
Limited transport
Outdated facilities
Guest reviews
based on 129 reviews
8.1/10
No reviews yet on our siteUnfortunately, our guests have not yet left any reviews for this hotel, but you can read reviews from Booking.com.
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Check-in
05Mar2026Select date
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06Mar2026Select date
Rooms and Guests2 Guests, 1 Room