Hoshino Onsen × Mountain Chalet AccommodationRecommended 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.).

In spring 2019, 22 new guest rooms and a private open-air bath were introduced! A hotel featured on TV and women's magazines. Just a 5-minute drive to Kyu Karuizawa and the Outlet. Situated in a quiet and convenient villa area. Dishes using plenty of vegetables are visually appealing and popular among women.

SHISHI-IWA HOUSE was designed by world-renowned architect Shigeru Ban as a "Boutique Luxury Hotel" offering relaxation and creativity away from the hustle and bustle.

In front of you, Mount Asama, adjacent to "Karuizawa Taliesin." Revitalizing the Shiozawa area, over 5 hectares, a new Karuizawa. Changing the way to enjoy "Karuizawa," bringing new joy.

A luxury villa with two Rooms and a private floor area of 200 sqm, newly opened in a quiet setting just a short walk from the Old Karuizawa Ginza shopping street. In harmony with nature, the living and dining area is gently filled with seasonal light, and the terrace features a fire pit. It offers soothing moments that help you unwind and feel truly free from everyday life. In the fully private sauna, take time to reset your senses slowly with the heat of löyly. The jacuzzi bath and open-air relaxation ease tension in the body and leave a pleasant afterglow to your stay. At our one-party-per-day restaurant, enjoy an exceptional dinner experience featuring richly flavored Shinshu cuisine with pairings; we also offer in-Room dining or dinners at nearby restaurants—tailored to your preferences. We propose a special stay that will leave lasting memories of time spent with those who matter most.

A Place That Sets the Prelude to Your Journey A misty plateau. Mountain ridges standing quietly in the distance. Once, the Shinano Railway ran through here—now it is the prelude to the journey ahead. HACIENDA KARUIZAWA is a small, cabin-like Hotel at the gateway to Karuizawa. Step out of the station and through our door, and time begins to slow. This is a place to pause and catch your breath before you set off. From here, your own unforgettable Karuizawa journey begins.

A designer Hotel nestled in the historic Karuizawa villa area. All Rooms are equipped with kitchens, allowing for a carefree stay like a private villa. There are also 7 pet-friendly Rooms available, and guests can enjoy complimentary access to the dog run at our sister property, <Dog Leg Karuizawa>, just a 5-minute drive away.

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.

Welcome to "Mori Stay," a place where you can feel closer to your destination.Second House A perfect spot between the ordinary and extraordinary. Your own personal second home, a familiar place just for you. Living A space where staying transforms into living. Here lies a new form of accommodation. Special Feeling A space that brings genuine smiles and comfort. A special place for you and your loved ones to share together. Born from this idea, we warmly welcome you back to "Mori Stay."

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.

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.

A wood-grain villa, “YURA/SHIRABE,” nestled among the lush trees of Karuizawa. Its name comes from “1/f fluctuation”—a soothing, comfortable rhythm found in nature and in human biological cycles, said to promote relaxation. This subtle “fluctuation” is present in many calming phenomena: heartbeats and brainwaves, a gentle breeze, the flicker of flames, and musical melodies. “YURA/SHIRABE” is a place to surrender to nature’s rhythm and gently bring mind and body into harmony. We hope you can quietly let go of everyday noise and restore your natural balance in an extraordinary setting. That wish is what inspired this villa.

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.

Kagerohi Karuizawa is a private rental Accommodation themed around “light and flicker,” opened in late April 2026. In warmer seasons, enjoy a campfire or BBQ on the wooden deck; in colder seasons, relax in the living room and savor a luxurious time watching the flames of the wood-burning stove.