Hoshino Onsen × Accommodation With Beautiful Starry Sky ViewsRecommended Hotel·Ryokan

Karuizawa, with a distant view of Mount Asama. Here, you can enjoy the beauty of nature throughout the seasons. Share your memories of Karuizawa. To bring joy to your loved ones. And to enjoy it yourself as well. Spend precious moments together in Karuizawa and share those cherished memories. <Information> At Hotel West, we have introduced new guest rooms with terraces inspired by tree branches and dappled sunlight: [Deluxe Terrace Twin], as well as a new onsen facility where you can feel the changing seasons: [MOMIJI HOT-SPRING]. *Please note that guests staying at East Cottage or East Main Building cannot use MOMIJI HOT-SPRING or the fitness room. Guests staying at West Cottage will incur an additional fee of ¥2,000 per adult per visit and ¥1,850 per child (ages 3–12) per visit (Reception hours: 6:00 A.M.–7:00 P.M.).

For over a century, the historic Karuizawa area has been celebrated as an international resort destination, exuding elegance and charm. The expansive gardens surrounding Hotel Kajima no Mori still vividly preserve this timeless beauty. Delicate blooming flowers, cheerful chirping birds, and adorable families of squirrels... The abundant nature here invites visitors into a world of serene relaxation.

<Currently Hosting Sparkling Free Flow> A classic Hotel renowned for its "Gourmet French Cuisine" inspired by the blessings of Shinshu. Enjoy a new style of cuisine that delights all five senses, based on traditional French culinary techniques. Savor exquisite flavors crafted from seasonal Shinshu ingredients and experience exceptional hospitality. Special moments will enhance your gourmet stay. At the open-air bath, relax in soothing waters surrounded by soft sunlight in the morning or a star-filled sky at night. Make "Le Grand Kyukaruizawa" your perfect base for an unforgettable journey!

The Ancient Hotel began its history in 2011 in the Karuizawa National Park with the concept of "Rejuvenation and Refreshment of the Soul." Amidst the vast nature that changes with the seasons, forget the daily hustle and the city's noise, and enjoy irreplaceable moments. Please relax and enjoy your stay.

A European-style Hotel proud of its creative dining made with local Shinshu ingredients. Set on a spacious, nature-rich property, it offers a soothing lounge with a fireplace, spacious and relaxing Rooms, a stone sauna, large public baths, and more—enjoy an extraordinary escape away from the city’s hustle and bustle.

A rental villa produced by 'Tokyo Minami Aoyama Princess House'. Pets allowed!! Equipped with a spacious dog run. A rental villa available for stays starting from one night.

A private rental villa limited to one group per day, “COCO VILLA Karuizawa,” surrounded by Karuizawa’s rich natural beauty. Featuring a spacious wooden deck and BBQ grill, you can enjoy a luxurious Karuizawa stay while breathing in the crisp air and taking in the scenery of all four seasons. Accommodates up to 12 guests and includes parking for 3 cars, making it ideal for group trips with family or friends, as well as multi-generational stays. On the property, you’ll find an original sauna made with a 3D printer, offering a special “totonoi” experience you can only have here. In the relaxation area, enjoy deeply soothing moments that feel at one with the quiet of the forest. In addition, the living room is equipped with a pellet stove—its gentle flames and natural warmth make your time to unwind even more memorable.

Experience a luxurious stay in a sophisticated Scandinavian-designed log house, where you can enjoy quality time with your loved ones as if it were your own private villa. Savor the extraordinary everyday life while embracing the nature of Karuizawa and cherishing meaningful conversations.

About a 15-minute drive from Karuizawa Station, “Karuizawa HOUSE VILLA” is a private, whole-villa rental nestled in the forest.With the concept of “an adults-only hideaway to enjoy doing nothing,” our six villas each feature a distinct design.Choose from six different stay styles, including a sauna, footbath, hinoki cypress bath, a garden with dog run, and fully barrier-free options—each villa offers its own unique features.Spend an evening unwinding with wine and records by the wood-burning stove,gather around a bonfire or BBQ,or enjoy movies on the projector.Escape everyday life and experience a truly relaxing stay.Wi-Fi is available for workations and is ideal for longer stays.Enjoy refined time in Karuizawa’s nature—just like your own private holiday home.

"Tryhaku Karuizawa Hinata" is a premium Vacation Rental located in Karuizawa, over 1000 meters above sea level, accommodating only one group per day. This single-story Property spans an expansive 1070 square meters and features three bedrooms, a spacious living-dining-kitchen area, and a quiet study. It also includes a private dog run of approximately 500 square meters and a water-flush toilet for your beloved pet, allowing you to enjoy a luxurious stay with your furry companion. With high insulation performance (Ua value 0.37) and floor heating, you can stay comfortably year-round, even in cold climates. Immerse yourself in the fresh air of Karuizawa and the stunning seasonal scenery for a truly special experience.

The newly opened 2024 annex, “Play Garden Ohinata,” is a private villa rental nestled in one of Karuizawa’s sunniest areas. Designed so you can see your friends, family, and beloved dog from every Room, the large windows create a seamless connection between the garden and the interior. With carefully selected furnishings such as Vitra chairs and Balmuda appliances, plus a private sauna, fire pit, and open kitchen, you can enjoy an exceptional stay.

SANU 2nd Home is “another home” where your mind and body can truly rest and your senses can open up.Step back from the pace of city life,feel nature with all five senses,and live by your own hands in a second home.Among the SANU 2nd Home locations across Japan, Karuizawa 1st is an easy 15-minute drive from Karuizawa Station, set amid majestic mountains and forests. Long loved as a summer retreat, this area blends nature and culture, with a distinctive food scene and a welcoming local community.The white vessel-like architecture is an eco-friendly cabin designed to live in harmony with the environment. Inspired by honeycomb forms, it features large windows that frame the surrounding landscape. The space comes alive through seasonal views reflected in those windows and wildflowers arranged in the dining room vase.In the morning, quietly grind coffee beans on the terrace as sunlight filters through the trees.In the afternoon, play a seasonal music playlist and let yourself sink into sound.In the evening, toast with natural wine while listening to insects sing.At night, add logs to the fire and lose yourself in thought.How you spend your time is entirely up to you.We hope you’ll find a way of staying that feels just right for you.

Located within walking distance of the Hoshino area, our four private villas blend seamlessly with nature. The property features a charcoal grill restaurant and bar. Enjoy your stay with peace of mind, supported by 24-hour dedicated service that exceeds Hotel standards. Surrounded by the warmth of wood in a serene forest setting, you'll feel as if you've returned to your own Karuizawa retreat, experiencing quiet and tranquil moments. In the open moss garden surrounded by lush green forests, enjoy evenings by the fire or BBQ under the night breeze. Experience a stay filled with ultimate "comfort" and "warmth" at your very own villa, leaving you truly fulfilled at heart.

In July 2025, "Luxe Villa" opened in Karuizawa, Onihata. This private villa rental offers a new travel style where you can stay as if you were living there. Surrounded by abundant nature, enjoy a relaxing escape from everyday life. The simple yet refined space is perfect for short stays, long-term visits, or remote work. Experience a special stay in Karuizawa with the feeling of having your own private retreat.

A fully private villa limited to one group per day, newly opened in August 2025 on the tranquil highlands of Nagakura, Karuizawa. Set on an exclusive 700㎡ property, this refined single-story retreat is your “second home” for time with family, friends, and loved ones.Unwind in bliss with a private sauna, hot tub, and spacious custom-built bath. Outside, you’ll also find a fully fenced private dog run of approximately 350㎡, so your dog can run freely and safely.About a 12-minute drive from Karuizawa Station, with easy access to Harunire Terrace and Hoshino Onsen. Surrounded by the highland’s seasonal beauty, enjoy a level of private luxury that no Hotel can offer.

A hidden Hotel quietly nestled in the serene villa area of Karuizawa, "Hatoyama Street." Conveniently located within walking distance of Karuizawa Station and Kyu-Karuizawa Ginza, yet offering a tranquil and high-quality stay surrounded by peace and quiet. Surrounded by greenery, you can enjoy a unique Karuizawa experience where just strolling through the seasonal landscapes will soothe your soul.Our Hotel's proud dinner features a full-course meal using plenty of seasonal ingredients. For the main dish, you can choose between a juicy Japanese Wagyu steak or a tender beef tongue stew that melts in your mouth. Each dish is carefully prepared to enhance your special evening in Karuizawa. After your meal, indulge in a luxurious time under the starry sky of Karuizawa's quiet night.We also offer breakfast-included Plans and No Meals Included Plans. Enjoy a refreshing stay while exploring Kyu-Karuizawa or soaking in the calm atmosphere unique to the villa area, rejuvenating both your mind and body.

Experience the charm of Karuizawa as if staying in a private villa. This unique property is a renovated shopping mall, with Church Street on the first floor and a Hotel on the second floor. Enjoy three concept terraces: BBQ overlooking Ginza Street, hammocks swaying in the mountain breeze, and a stargazing experience from an altitude of 1,000 meters, offering premium moments. The forest bar lounge is a welcoming space with no dress code, perfect for relaxing and conversation. Guest rooms feature modern designs filled with the warmth of wood. Whether you're traveling solo, as a couple, or with family, immerse yourself in the blend of old and new, and savor the breezes of Karuizawa.

A bright, single-story American house located approximately 2.7 km (about 9 minutes by car) from "Shinano-Oiwake" Station. About 18 minutes from the outlet mall, 10 minutes from Harunire Terrace, 10 minutes from Karuizawa Kogen Church, and 11 minutes from Super Delicia and Super Tsuruya, with a convenience store nearby. A space of relaxation and luxury that can be enjoyed by both active resort-goers and those seeking a healing retreat.Accommodates up to 10 guests. (Combined with the adjacent Polar Resort Nishi-Karuizawa II, up to 22 guests can stay.)Convenient access via the Usui-Karuizawa IC or Saku IC on the Joshinetsu Expressway, as well as the Nagano Shinkansen. Nearby attractions include an outlet mall, day-trip Onsen, and stylish cafes. Enjoy a dinner featuring plenty of Karuizawa vegetables in the kitchen starting in the evening.Wake up to the chirping of birds and the morning sunlight. Indulge in a luxurious late brunch after a second sleep. Marvel at the stunning starry sky, like patterns on a screen. Escape the hustle and bustle of city life and enjoy a relaxing holiday surrounded by nature.Spend a leisurely and healing time with your loved ones or nostalgic friends.

Approximately 16 minutes from "Karuizawa Prince Shopping Plaza," about 18 minutes from the iconic Karuizawa tourist spot "Old Karuizawa Ginza," around 8 minutes from "Harnile Terrace" nestled along the Yukawa River, about 10 minutes from Karuizawa Kogen Church, and approximately 11 minutes from Super Tsuruya, this Property boasts an extremely convenient location. Whether you wish to spend a relaxing time surrounded by nature or enjoy a leisure-filled Karuizawa stay, this Property offers the perfect setting. Additionally, it is about a 23-minute drive from Usui-Karuizawa IC and approximately a 9-minute drive from Shinano Railway's "Shinano-Oiwake" Station. A healing and luxurious space that can be enjoyed by both active resort-goers and those seeking a tranquil retreat. The Property accommodates up to 12 guests. (When combined with the adjacent Polar Resort Nishi-Karuizawa I, it can accommodate up to 22 guests.) Wake up to a morning bathed in the gentle, soft sunlight streaming through the windows. Enjoy a pleasant nap during the serene flow of time. Experience a calm night so peaceful that you might even hear the twinkling of the stars, far removed from the hustle and bustle of daily life. Take a moment to relax and unwind, leaving behind the everyday routine.

Approximately 18 minutes from the outlet, 10 minutes from Harunire Terrace, 10 minutes from Karuizawa Kogen Church, and 11 minutes from Super Delicia and Super Tsuruya, with a convenience store nearby. A space of relaxation and luxury that can be enjoyed by both active resort-goers and those seeking a healing retreat. Accommodates up to 10 guests. ■ Includes 2 sofa beds in the living room on the first floor. (When combined with nearby Polar Resort Nishi-Karuizawa I and II, up to 30 guests can be accommodated.) Convenient access via the Usui-Karuizawa IC or Saku IC on the Joshinetsu Expressway, as well as the Nagano Shinkansen. Nearby attractions include outlet malls, day-trip Onsen, and stylish cafes. Enjoy a dinner time filled with Karuizawa vegetables in the kitchen starting from the evening. Spend precious moments with your loved ones in a serene space where you can feel the flowers and insects. Wake up to the chirping of birds and the morning sunlight. Marvel at the stunning starry sky, like patterns on a screen. Escape the hustle and bustle of city life and enjoy a rejuvenating holiday surrounded by nature. Spend precious moments with your loved ones in a serene space where you can feel the flowers and insects.