Important Notes
From July 1, 2026, check-in will be at the adjacent reception building.
We will email you before your arrival with check-in details, so please be sure to review it.
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- Karuizawa 365 Forest Garden Happudai
Have a 1,157 m² forest all to yourself! A private rental villa surrounded by carefully curated interiors, where you can stay with your dog.
Feel the beauty of every season through a 7-meter-wide picture window at Forest Garden Happodai. Enjoy a living room that opens onto the forest, a deck for gathering around a fire pit, and a covered outdoor space you can use even on rainy days. In spring, let your dog run free in the private dog run surrounded by fresh greenery. In summer, enjoy a BBQ on the terrace at dusk. In autumn, take in the fall colors from the hammock. In winter, unwind by the glow of the wood-burning stove with a glass of wine. Just a short distance from central Karuizawa, this exceptionally quiet retreat offers crisp air and time that feels like it’s yours alone.
Reviews
Facilities and Services
See All- Pet-friendly
Sauna
| IN | 15:00～24:00 |
|---|---|
| OUT | 10:00 |
| Number of rooms | 1 room |
| Pet | Permitted |
| Your child | Permitted |
Photo
See AllIntroduction of the Accommodation
A quiet retreat surrounded by forest.
Nestled deep in the forests of Karuizawa on a spacious 1,155 m² property, Forest Garden Happudai offers a peaceful retreat. Surrounded by nature in a stylish setting, you can enjoy private time at your own pace in a calm and tranquil atmosphere.
Admire the harmony of nature and architectural beauty
Enjoy a full view of the lush garden through the large 7-meter-wide window from the living room. Even if you’re not a fan of insects, you can still fully immerse yourself in nature from indoors. The built-in furnishings feature calm tones and a modern design, creating an elegant setting for an adult getaway. Art books are placed throughout the space for a soothing moment—enjoy nature and architectural beauty as if you were in a museum.
Make your pet-friendly trip even more luxurious.
Karuizawa 365 is a Facility where you can stay with your beloved pets, an important part of the family. Enjoy a private dog run, a garden worth exploring, and—depending on the season—a small stream fed by rainwater from Mt. Happo. We also provide a full range of amenities so you can travel light. Let’s create wonderful memories that both you and your dog will love.
Savor a rich, relaxing stay indoors.
This is not just a rental villa for sleeping—we have prepared everything so you can relax and truly enjoy your stay from check-in to check-out. How about a stroll in the garden or reading in a hammock? You might try a campfire, and at night gather around the wood-burning stove, play some music, and share meaningful time with someone special. We also provide kitchen appliances and tableware that will satisfy those who love to cook. If you’d rather take a break from cooking, we can introduce visiting chefs or catering services—please feel free to contact us.
Group Facility List
Karuizawa 365 Riverside Villa Happudai
A private forest stay wrapped in the sound of the river. A 170 m² private villa by the riverside, surrounded by forest and light. Through the expansive 5.5-meter window, all you’ll see is the forest through every season and the quietly flowing river. Laughter and even your dog’s running footsteps gently melt into the woods. Set your phone aside and take a moment to breathe in the scent of the forest and listen to the river. Nature—and you—will slowly come back into balance. It’s a stay that one day simply isn’t enough for, and you’ll find it here. Enjoy a vacation-home lifestyle in the forest with your family and your dog.
Karuizawa 365 Forest Terrace Happudai
Unwind on a forest terrace. A private villa where indoors and outdoors flow seamlessly. Set on an expansive 420-tsubo estate, this private villa is wrapped in dappled sunlight and crisp, clear air. The outdoor living area, sheltered by a deep roof, can be enjoyed in any weather—making it easy to relax outside at any time. From the crystal stillness of morning to the warmth of gathering around a fire at night, the forests of Karuizawa turn every moment into a lasting memory. Enjoy time together with family and friends—and your dog—in a thoughtfully designed space featuring carefully selected interiors and original curtains for exceptional comfort.
Karuizawa 365 Play Garden Ohinata
A seamless connection for both heart and space. Set in one of Karuizawa’s sunniest areas, Play Garden Ohinata is a place that naturally brings out your playful side. A spacious garden that makes you want to run, and an interior that looks out onto it through large windows, flow together seamlessly in an open, airy layout. This flat, continuous space can all become a dog run—filling family and friends with smiles as your dog dashes around freely and happily. In this wonderful setting where hearts feel seamlessly connected too, time slips by unnoticed, turning moments spent here into unforgettable memories.
Karuizawa 365 Tree Nest Happodai
A private villa floating among the trees. Experience the luxury of doing nothing from a bird’s-eye view. Tree Nest Happudai is a place to spend time as if you were a resting bird. Beyond the windows, leaves sway and specks of light shimmer as nature and time drift by gently. A raised living area that makes you feel like a squirrel or small bird, an airy elevated floor where the breeze passes through—comfortable spaces paired with carefully chosen interiors will soothe your spirit. Put down your phone, take a deep breath, and sink into the quiet with your dog. A hidden retreat that feels perfectly within reach. Stretch on the terrace, chat, read—or simply do nothing at all. Embrace the luxury of doing nothing, held by the forest.
Facilities and Equipment of Accommodation
- The room
- Bath
- Surroundings & Others
- Meal
Notice from the Accommodation
Notice of Construction Work
[About Noise]
In Karuizawa, local regulations restrict outdoor activities after 9:00 PM, so please refrain from BBQs, bonfires, and similar activities after 9:00 PM.
Please remember that you are staying in a quiet villa neighborhood, and keep noise to a minimum at night so everyone can relax peacefully.
Basic Information
| Taxes | Starting June 1, 2026, Karuizawa Town will introduce an “Accommodation Tax.” Our Accommodation will charge this tax separately as follows. Effective date: For stays checking in on or after June 1, 2026 Applies to: All overnight guests Tax amount: JPY 200 to JPY 800 per person per night (varies depending on the Accommodation Fee) |
|---|---|
| Card information | Credit card payments not accepted on site. |
| Pets | Permitted Up to 8 dogs are accepted.
With the Stay with Your Dog Plan, up to 2 dogs are allowed. (The dog plan includes the Dog Option: JPY 11,000 incl. tax.)
For 3 or more dogs, an additional JPY 5,500 (incl. tax) per dog will be charged.
If you plan to bring 3 or more dogs, please contact the Accommodation directly and make a Reservation. Also, be sure to review the terms of service before making a Reservation.
https://karuizawa365.jp/terms-of-service |
| Breakfast | There is no information about breakfast. |
| Your child | You can stay. Preschool children are welcome to stay.
Up to five preschool children can stay free of charge with Child Sharing Existing Bedding.
We provide joint play mats, a Bumbo seat, two children’s tableware sets, and two bed guards.
Towels for preschool children are not provided; if you would like them, please note your request in the remarks section. |
| Room service | Not available |
| Common amenities |
|
| Facilities and Features |
|
| Esthetic Massage | None |
| Fitness gym | None |
| Sauna | Available |
| Hot stone spa | None |
Reviews
The overall facility score is not displayed because the required number of reviews has not been reached.
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Address
Nagano Prefecture902-14 Hocchi, Karuizawa-machi, Kitasaku-gun
TEL：+81-267-46-8573
Nagano Prefecture902-14 Hocchi, Karuizawa-machi, Kitasaku-gun
TEL：+81-267-46-8573
[Car Navigation Settings]
Address: 902-14 Hocchi, Karuizawa-machi, Kitasaku-gun, Nagano 389-0113, Japan
Google Maps provides the most accurate location. Please enter “Karuizawa 365 Happudai.”
■ By Car
Approx. 2 to 2.5 hours from Tokyo via expressway
■ By Train
Tokyo Station → Karuizawa Station (Hokuriku Shinkansen) → approx. 20 minutes by taxi from Karuizawa Station
- Parking Information
- Fee
- Free for guests
- Parking time
- ---
- Parking space
- No restrictions
- Number of parking spaces
- 3 cars available outdoor
- Valet service
- Unavailable
- Pickup and drop-off information
- Unavailable
Frequently Asked Questions
What kind of facilities and features are available?
There are the following facilities and features. Entire building rental・With kitchen・With a washing machine.・Multiple bedrooms・Parking available・Catering・Outside food allowed・Pet-friendly
I would like to know the access information.
[Car Navigation Settings] Address: 902-14 Hocchi, Karuizawa-machi, Kitasaku-gun, Nagano 389-0113, Japan Google Maps provides the most accurate location. Please enter “Karuizawa 365 Happudai.” ■ By Car Approx. 2 to 2.5 hours from Tokyo via expressway ■ By Train Tokyo Station → Karuizawa Station (Hokuriku Shinkansen) → approx. 20 minutes by taxi from Karuizawa Station
Is parking available?
・Fee： Free for guests ・Parking space： Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces： 3 cars ・Valet Service： Unavailable
Is there a sauna?
Yes, there is.
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