Around Mount Asama × Stays Popular For SaunaRecommended Hotel·Ryokan

A Hotel located at the foot of Mount Asama, just before the forest. We named it "still" with the hope of quietly harmonizing with the forest. The Rooms are prepared with three themes. Each Room is equipped with twin beds, a dining area, a kitchen, a bathtub, and a toilet, providing a relaxing space. All furniture is vintage. The space is adorned with a precious collection of vintage furniture gathered since 2000. The interior is designed by combining natural materials, and even the paints used are low-impact, aiming to create an environmentally conscious Hotel. Spend your time in a space designed with the wish for you to have a peaceful and serene stay.

20 minutes by car from Karuizawa Station, 6 minutes by car from Miyota Station. A quiet location blessed with dry air and clear skies, offering a Nordic-style simple stay with stunning views of the majestic Mount Asama. Step away from the hustle and bustle of Karuizawa to enjoy a serene environment known for its dry air and high sunshine rate. Refresh your mind and body with Nordic furniture and delicious meals featuring fresh vegetables. Check-in: 5:00 PM - Check-out: 1:00 PM. Enjoy a late check-in and an extended stay. Don't just sleep—immerse yourself in moments surrounded by Mount Asama's grandeur and nature's beauty.

A villa-style Accommodation in Karuizawa featuring an outdoor living area where you can enjoy the scent of the trees, a pleasant breeze, and even a barbecue. We offer free, private time to relax naturally and comfortably. Stroll through Karuizawa’s nature as if it were your own garden, then enjoy dinner in the outdoor living area while feeling the evening breeze. In the living room, unwind with a glass of wine as you watch the flames in the fireplace. Enjoy a “living experience” in Karuizawa that you won’t find with an ordinary 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.

Two charming Mid-Century Modern tiny houses, built by an architect as their own residence, featuring a Finnish-style sauna and a Hinoki outdoor bath, available for exclusive rental.

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.

Amidst the great nature of Karuizawa, enjoy an outdoor sauna, a natural water bath filled with spring water from Mount Asama, and BBQ. ~A place where the moon and your heart are fulfilled.~ The sauna art Hotel "Tsukimichiru," a private Property in Miyota. The concept is "Moon and Art." The second floor, "HIGH" space, is designed as an extraordinary space adorned with art, with meticulous attention to interior details, creating a Property where you can immerse yourself in "art" from every corner. The first floor, "SLOW" space, updates Japan's oldest chill experience—"moon viewing"—to a modern version, providing an environment where you can fully enjoy the outdoors with features like an outdoor deck, sauna, and water bath. Experience a special stay as you gaze at the night sky with your companions.

SANU 2nd Home is a “second home” where you can truly unwind and awaken your senses.Step back from the pace of city life,feel nature with all five senses, and live with your own hands in a place made for everyday living.Among the SANU 2nd Homes across Japan, Kita-Karuizawa 2nd is an ideal base for those who want to spend quiet time away from the urban bustle. Surrounded by greenery, you can lose yourself in thought or reading, or stay active with hikes on Mt. Ko-Asama and Mt. Asama-Kakushi.The white cabin is an eco-conscious retreat designed in harmony with the earth. Inspired by a beehive, it features a distinctive form and 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 drift into deep thought.How you spend your time is entirely up to you.Find what feels just right for you.

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.

SANU 2nd Home is “another home” where your mind and body can truly rest and your senses awaken.Step back from busy city life, reconnect with nature through all five senses, and enjoy a second home designed for living with your own hands.Among the SANU 2nd Home locations across Japan, Karuizawa 2nd is an easy 20-minute drive from Karuizawa Station. Set amid majestic mountains and forests, this area—beloved as a summer retreat—blends nature and culture, with its own distinctive food scene and community.This standalone cabin seamlessly connects everyday living with the outdoors by integrating the living area and balcony. A cabin that expresses care for the plants and animals of the mossy forest—and love for the Earth. With an open workspace plus a kitchen and dining area spacious enough to cook and share meals with family, friends, or a partner, it offers a comfortable, well-equipped living space that feels like an extension of daily life. Sunlight pours in through skylights, while windows throughout frame natural scenery from every corner of the Room—bringing inside and outside together for a life lived alongside nature.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 as you drift into thought.How you spend your time is entirely up to you. Find what feels just right for you.

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.

Nestled on the northern foothills of Mt. Asama, Kita-Karuizawa is known for its cool, refreshing air. This designer villa—limited to one group per day—was created in an extraordinary setting: a vast private woodland of about 1,000 tsubo with a stream running through it. The open single-story home (3LDK) offers over 100 sqm of space and accommodates up to 10 guests, providing a luxurious retreat perfect for an unforgettable getaway with your loved ones.The symbol of this Accommodation is the “treehouse,” accessed via a suspension bridge from the wooden deck. Surrounded by the untouched forest of Kita-Karuizawa, stepping into this hidden treetop hideaway brings an exceptional sense of immersion—feeling truly at one with nature. At night, enchanting lights and the glow of a campfire illuminate the trees, drawing you into a fairytale-like world of quiet serenity.On-site, you’ll also find an authentic Finnish sauna by HARVIA and a cold plunge bath with chiller support—even suitable for single-digit water temperatures (°C). Outdoor relaxation wrapped in the scent of pristine woods at Mt. Asama’s foothills and the natural sound of flowing water delivers an unparalleled sense of deep renewal found only here.Cross the wooden deck and open the treehouse door to discover a secret base that brings out the child in everyone. Immerse yourself in the magical forest scenery of Kita-Karuizawa and enjoy an extraordinary escape to your heart’s content.

Nestled on the northern foothills of Mt. Asama in Kita-Karuizawa, where crisp, cool air drifts through the trees, COCO VILLA Kita-Karuizawa 02 is a private villa limited to one group per day—perfect for an extraordinary getaway with your dog. Set on a vast 1,000-tsubo estate (approx. 3,300 m²) with a gentle stream running through it, this newly built single-story home (over 100 m² / 3LDK) offers a dog-first space where your loved ones can relax comfortably and safely.In front of the villa lies a private dog run spanning an impressive 378 m². With open skies peeking through the trees and sunlight and breezes flowing freely, you can unwind on the wooden deck while watching your dog run off-leash to their heart’s content.Inside, you’ll also find an authentic sauna equipped with a HARVIA electric heater and a cold plunge bath with chiller. Enjoy outdoor relaxation on the terrace surrounded by lush forest for the ultimate reset. Group stays are also possible by booking both this villa and neighboring Villa 01 together. Savor an exceptional resort stay that deepens your bond with your dog.

A private cabin available for exclusive rental, nestled in a historic villa area of Kita-Karuizawa. On the grounds, you’ll find an Earthboat by a pond reflecting the surrounding trees, along with a landscape shaped by stones formed through Mount Asama’s volcanic activity. Each cabin features a private sauna. Choose between a wood-burning sauna you heat yourself by adding firewood, or an electric sauna warmed at the touch of a button to suit your stay. You’ll also have access to a cold plunge bath, an outdoor relaxation area, and an outdoor living space for BBQs and campfires. Pets are welcome in all cabins. Warm up in the sauna and enjoy a luxurious day away from everyday life, surrounded by crisp highland air.