Hoshino Onsen × Private Sauna For CouplesRecommended Hotel·Ryokan

Renovated in August 2025, the entire property has been transformed into a new haven with luxurious rooms. All rooms are spacious 45㎡ suites with terraces, offering a serene retreat nestled in a tranquil forest. Each room's terrace provides a view of the beautiful pond in the courtyard. Choose from rooms with private saunas to soothe your travel fatigue, pet-friendly rooms to enjoy with your beloved dog, or open and airy maisonette-style accommodations. The facility also features a Japanese sake bar, "Onza Bar," where you can indulge in carefully selected premium sake, including local Shinshu specialties and Yoshikawa Brewery's "Afuri." Additionally, just a 5-minute walk away, the second restaurant "Pyrenees" offers seasonal hearth-cooked dishes prepared over a wood fire.

Fufu Karuizawa Yoko no Kaze is a small luxury resort where you can enjoy a nature-filled setting bathed in sunlight, with views of Mt. Asama. In this tranquil space—where herbs and greenery sway in the breeze from Mt. Asama—we offer moments that soothe both body and mind. Each guest room features a natural Onsen bath, paired with hot stones under the concept of “warm the body for better health,” inviting you to experience true relaxation. Spend your time in our sunlit interiors while feeling close to Karuizawa’s nature.Please note that Fufu Kyu-Karuizawa Seiyo no Mori is another “Fufu” with an entirely different concept. From location and guest rooms to dining, design, and Onsen, each offers its own distinct character—enjoy visiting both as you discover the many charms of Karuizawa and indulge in a blissful resort stay.

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 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.

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.

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.