Hoshino Onsen × Hotel For A Home-Like StayRecommended Hotel·Ryokan - 2Page Number

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.

"HAFUMO軽井沢" is a fully rented property, allowing you to experience real life in Karuizawa without worrying about other guests.

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.

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.

Experience the slow-paced lifestyle of Karuizawa amidst the leisurely flow of time. Enjoy a holiday in Karuizawa surrounded by abundant nature.

The hotel, newly opened in 2018, is conveniently located near the station, making it ideal for sightseeing, shopping, and leisure. All rooms are non-smoking, equipped with air purifiers, and offer free Wi-Fi. Parking is available. A light breakfast with bread and drinks is provided.

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.

Exciting news for guests planning a long-term stay or a Multiple Night Stay! Starting in November, the Tree Village Karuizawa South Villa has installed Rinnai's "Kanta-kun 9kg" dryer in the changing room. This is a 9kg capacity dryer, one of the largest for home use, capable of drying all your laundry at once. Say goodbye to the hassle of hanging clothes on the wooden deck! As the ski season approaches, drying wet clothes indoors can make the Room feel damp and uncomfortable. "Kanta-kun" is here to solve those problems for you. Please welcome the newest member of our family, "Kanta-kun." From all the staff at Tree Village Karuizawa.