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Vacation rentals in Sai River

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Top-rated vacation rentals in Sai River

Guests agree: these stays are highly rated for location, cleanliness, and more.

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Top guest favorite
Home in Ikeda
4.99 out of 5 average rating, 146 reviews

[Autumn in Hakuba/Kamikochi] Entire house for rent for up to 12 people | 2 authentic saunas

Use Azumino and Ikeda-cho as your base in autumn for a trip to enjoy the spectacular views of the Northern Alps and the autumn foliage. From September to November, the autumn leaves gradually descend from the mountains to the villages in Shinshu. You can enjoy autumn scenery unique to each location, including Hakuba Happo Pond, Kamikochi, and the Tateyama Kurobe Alpine Route. During the day, head to the mountains and plateaus to see the autumn foliage. When you come back, relax in the sauna and water bath. In the evening, enjoy a BBQ and the starry sky while spending a peaceful time in the countryside. This is a private rental that can accommodate up to 12 people, so it is recommended not only for family and group trips, but also for couples and small groups staying for multiple nights. Convenient location as a base for sightseeing in Hakuba, Kamikochi, and Tateyama-Kurobe. There is also a washing machine and a bathroom dryer for a comfortable extended stay. You can come by public transportation, but having a car is more convenient. Free pick-up and drop-off are available from Shinano-Matsukawa Station and Akashina Station. Other pick-up and drop-off services and sightseeing pick-up and drop-off services are available for 2,000-8,000 yen (round trip) depending on the distance, within 2 hours one way. For groups of 5 or more, we can arrange a rental car, so please consult in advance. October and November are the seasons when you can enjoy the autumn leaves and the quiet of Shinshu. We recommend staying for multiple nights and taking a leisurely trip to explore the different autumn landscapes of Hakuba, Kamikochi, Azumino, and other areas.

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Guest favorite
The exterior of the two-story guesthouse is characterized by traditional Japanese architecture, featuring a sloped roof and wooden accents. A welcoming entrance is adorned with a decorative sign and a small red bench. Lush greenery surrounds the property, enhancing the rustic charm.
Home in Nagano
4.97 out of 5 average rating, 58 reviews

Enjoy an Edo period warehouse. Entire rental for up to 6 people per group (with a pizza oven, karaoke DAM, and a golf driving range)

[NEWS] ★ This year's blueberry picking on the hill with a view of the Alps is over. We are currently growing Nozawana greens. It's a 5-10 minute walk to the farm, and a stroll along the country road will refresh your mood! Facility Information About 25 minutes by car from Nagano Station and about 35 minutes from the Nagano Interchange. About 30 minutes to Hakuba and Omachi. Kurayado Kokuya is located in a "just right countryside" where you can get a sense of the people living in the simple natural environment unique to the mountains. You can use it as a base for Kamikochi, Azumino, Zenkoji Temple, Togakushi, and Tokura Kamiyamada Onsen. A renovated storehouse that has been trading in grain and other goods under the name "Kokuya" since the Edo period. This is a private rental for one group only. Please use it to enjoy music, such as karaoke, or for class reunions or training camps. ★ There is also easy access to Weego Country Club, Kawanakajima Country Club, and Minami-Nagano Golf Club, and there is an indoor golf practice area in the attached room where you can practice as much as you want! ★ You can eat all the vegetables you want from our own farm!! You can also have a BBQ in the lawn garden or make pizza in the pizza oven. ★ You can experience making soba noodles in the main house. Please enjoy the soba noodles you made yourself. (Reservation required) ★ We sell freshly baked homemade bread and take orders from the menu.

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Guest favorite
Home in Agatsuma-gun
5.0 out of 5 average rating, 17 reviews

ASAMA HIDEAWAY|Hot spring with a direct flow from the source spring|Sauna|BBQ|Entire house rental|About 30 minutes by car from Karuizawa Station

NEW OPEN, July 2026!! ASAMA HIDEAWAY is a luxurious adult hideaway villa nestled at the foot of Mt. Asama, designed by architect Keisuke Kajitani. A special location surrounded by beautiful forests and the babbling of streams.As you step into the building with its modern, natural black tones, you will be greeted by the overwhelming sense of openness created by the high ceilings and the high-quality interior. The biggest attraction is the completely private spa area located right next to the creek that runs through the property. With a view of dynamic natural rock skin and deep greenery, the "semi open-air bath", and an authentic "sauna and water bath", you can ultimately spend a moment in mind and body. The luxurious outdoor living room is equipped with a BBQ grill and bioethanol fireplace.Enjoy a sophisticated space for adults where you can enjoy a BBQ amidst the fresh greenery during the day and be soothed by the flickering flames and the sound of the stream at night. Although it is in Kita-Karuizawa, which is easily accessible from Tokyo, it offers the richness of nature brought by Mt. Asama and an overwhelming silence isolated from the bustle of the city.Experience a time that sharpens your five senses, which can only be found here.

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Guest favorite
An open living space features wooden flooring and walls with a neutral hue. A large window offers a view of distant mountains and natural light fills the room. A simple bench and a high stool are positioned near the window, enhancing the serene setting.
Home in Azumino
4.93 out of 5 average rating, 267 reviews

Sanchi, a private rental inn with a panoramic view of the Northern Alps

Enjoy a trip with a view you won't find anywhere else. The former town of Aka-Akashicho, located in the northeast of Azumino, Overlooking the Northern Alps, Here, you will find "beautiful views and tranquility that you will want to stay". We renovated such an old building in Akashina, Reviving it as a retro modern space, We have created an entire inn for rent. 5 minutes on foot from our facility to Akashina station, two stops to Matsumoto station on the Shinonoi line, sightseeing in Matsumoto, It is also easy to go to Nagano. Nagamineyama, Daio Wasabi, and the Shiratobi area are also close by, so please enjoy sightseeing in Azumino. The neighborhood is not downtown, so there is nothing. Recommended for those who are interested in living in the countryside and relocating to two areas, or those who are considering it. From 2026, there will be changes to how Airbnb displays prices, and the Nagano Prefecture accommodation tax will be implemented.
In the price breakdown, the guest service fee, applicable taxes, cleaning fee, etc. The price shown is all-inclusive.

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Guest favorite
Villa in Azumino
5.0 out of 5 average rating, 14 reviews

A secluded adults-only resort nestled at the foot of the Northern Alps | Private sauna | Bonfire BBQ | Hakuba | Matsumoto | Kamikochi | As a base for the Takayama Mountains

“Ember Resort AZUMINO” Newly opened in May 2026! A private rental retreat surrounded by the nature of the Northern Alps, where you can enjoy a sauna, a campfire, and a BBQ. Featuring a barrel sauna, hydrotherapy bath, outdoor air bath, fire pit, and even a home theater, We designed it as an "accommodation where you not only stay, but enjoy the stay itself." It is also a great base for sightseeing in Hakuba and Azumino. ⭐️ What you can enjoy at this inn ✓ Authentic relaxation in a private barrel sauna ✓ Natural underground water bath and open-air bath ✓ Campfire experience under the stars ✓ Ultimate BBQ terrace dinner ✓ Large-screen home theater ✓ Free EV Charging

LocationFamilySleep quality

Top guest favorite
The image showcases a traditional Japanese garden featuring neatly pruned trees, blooming azaleas, and a variety of lush greenery. Stone pathways curve through the landscape, guiding the eye toward the adjacent buildings with tiled roofs, enhancing the serene and harmonious atmosphere.
Home in 長野市
4.99 out of 5 average rating, 340 reviews

Guest house Keyaki 欅 Only one group per day

Japanese-style and western-style rooms with Japanese garden and floors (2 beds 3 futons) And relax in the hidden space (jazz bar style) in the old warehouse. Our house has a traditional Japanese garden and Japanese style room with a dormitory floor There is also an Japanese traditional warehouse.(Jazz bar style) There are orchards and paddy fields around the house. During the harvest season, you can eat delicious fruits, vegetables and rice. This area is an agricultural promotion area There are orchards, vegetable fields and paddy fields around the house. During harvest you can eat delicious fruits and vegetables and rice.

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Guest favorite
A wooden deck extends from the house, furnished with a dining table and chairs. Lush greenery frames the view, with trees and a body of water visible in the background under a clear blue sky.
Home in Karuizawa
4.95 out of 5 average rating, 117 reviews

[Riverside House] A riverside villa in Karuizawa with a sauna and fireplace

We have renovated a villa along the river in the forest of Karuizawa. Great location is about 2,500 ㎡! Feel the extraordinary feeling of the garden and outdoor dining where you can run around, the living room has a large sofa and fireplace. The bathroom can also be enjoyed in the JAXSON jetted tub, a large sauna for 4 people in the metos, and a rain shower in the water bath. It is a renovated old villa in a natural environment.Please note in advance before making your reservation that insects may enter the room during your stay.If you have excessive allergies to insects, etc., please avoid booking.

LocationFamilyComfort

Top guest favorite
A spacious living area features large windows that offer a view of lush greenery. A modern light fixture hangs from the ceiling, illuminating a cozy seating arrangement. A flat-screen television is mounted on the wall, while a wooden dining table sits in the foreground.
Chalet in Hakuba
5.0 out of 5 average rating, 116 reviews

Private Forest Sauna — where stillness is luxury

Break Free, Find Mindfulness: Discover healing tranquility at Soil. • Tranquil chalet in Okumisora-no, Hakuba Village • Peaceful ambiance & stunning forest views through large windows • Japanese craftsmanship in owner's selected furniture & tableware • Ideal remote work space with monitor & printer • Blissful relaxation: fire pit, sauna & hinoki wood bath • 1-min walk to Hotel Oak Forest's hot springs & restaurant and shuttle bus stop • Walking distance to popular Echoland restaurants and bars.

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Top guest favorite
Home in Omachi
4.98 out of 5 average rating, 61 reviews

Authentic Japan in Hakuba valley/ski hike bike SUP

In beautiful Hakuba Valley, walking distance to Shinano-Omachi station, shops, pubs, and restaurants. Close to ski resorts, hot springs, and pristine lakes. Gateway to Alpen Road, snow walls, Kurobe, Ogisawa, and Alps National Park trails. Assist sending luggage to your next hotel. Experience a traditional Japanese home: Full kitchen, bath, living and dining areas, 3 bedrooms. Relax by the fireplace, and our traditional Japanese garden. Breakfast on request featuring local bread and fruit jam.

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Guest favorite
The exterior of the traditional guesthouse is shown, featuring wooden beams and large windows. A round wooden table and stools are placed outside, inviting guests to enjoy the fresh air. A vertical banner hangs by the entrance, adding a touch of charm.
Home in Omi
4.9 out of 5 average rating, 199 reviews

Japanese Country Guest House "Tsuzune no mori"

*PLEASE SEE SECTION BELOW* Located in north-middle Nagano, Omi is a beautiful and quiet small village. Filled with beautiful landscapes of Japanese farming lands and mountains which are enjoyable throughout the seasons. Our 130 year-old traditional Japanese house has been renovated for your comfort while holding onto its history. Renewed as a duplex house! You have almost the entire 1st&2nd floors of the west side of the house. Limited to one group per day. Please see below about the house.

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Top guest favorite
The exterior of the home is showcased under a twilight sky, illuminated by warm lights that highlight the structure's traditional Japanese architecture. Surrounded by lush greenery, the property features a spacious yard and access to natural landscapes.
Villa in Ueda
4.98 out of 5 average rating, 227 reviews

Modern Luxury, Classic Style, Onsen Nearby

Nestled in the mountains of Nagano at an elevation of 860 meters (2,821 feet), this is a luxury home exclusively for those who want to escape tourist traps, experience a side of Japan rarely seen by outsiders, and do it in style. Our 3-bedroom home is 200 sq. meters (2153 sq. feet) large and is a marriage between traditional Japanese architecture and modern technology and comfort. The home is accessible from Tokyo and other major cities via the Shinkansen bullet train or Joshin-etsu Expressway.

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Guest favorite
Cabin in Nagano
5.0 out of 5 average rating, 15 reviews

Nagano Togakushi Private Forest Cabin with 4WD Car

❑ Private Forest Cabin in Nagano Experience Japan’s beauty through the seasons — cherry blossoms in spring, cool mountain air in summer, autumn colors, and winter snow. ❑ Free Rental Car (Insurance Included) A car is essential for exploring Japan’s countryside, where public transportation can be limited and time-consuming. ❑ Comfort Meets Nature With a massage chair, sound system, kitchen, and laundry, it’s ideal for long stays — a hidden retreat to relax and reconnect with nature.

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Popular amenities for Sai River vacation rentals

Other great vacation rentals in Sai River

Guest favorite
Home in Ueda
4.93 out of 5 average rating, 14 reviews

[10 minutes from Ueda Station] Enjoy a private view | Entire house for rent where you can enjoy living in the sky

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Guest favorite
An inviting outdoor area features a mix of greenery and rustic wooden elements. A wooden gate and benches offer seating, while potted plants and shrubs create a natural ambiance. The entrance is illuminated by a warm lantern, enhancing the surrounding plants and inviting atmosphere.
Home in Ikusaka
4.74 out of 5 average rating, 69 reviews

Ikusaka Village, Nagano Prefecture, a house where you can enjoy doing nothing.

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Top guest favorite
Home in Nagano
4.97 out of 5 average rating, 68 reviews

[Hatagoya Togakushi] A hideaway surrounded by the great nature of the Togakushi Highlands, a national park

LocationValueIndoor spaces

Top guest favorite
The Capsule House is nestled among autumn foliage, with vibrant orange and yellow leaves surrounding the unique architectural structure. The building features distinct circular windows and a wooden facade, offering a harmonious blend with the natural landscape.
Vacation home in Miyota
5.0 out of 5 average rating, 25 reviews

Capsule House-K, a monumental capsule house in nature designed by Kisho Kurokawa

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Superhost
Tiny home in Sakaki
4.8 out of 5 average rating, 44 reviews

Retreat Lodge: Enjoy Seasonal Medicinal Herbs and Natural Hot Springs (Pets Allowed)

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Guest favorite
Dome in Ikeda
4.93 out of 5 average rating, 15 reviews

Entire building Mandala Dome House

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Top guest favorite
Home in Nagano
5.0 out of 5 average rating, 29 reviews

Togakushi and snow resorts|Japanese-Modern Inn

ValueFamilyDecor

Guest favorite
A spacious living area features soft, warm lighting from overhead fixtures. The room includes a wooden coffee table atop a light wood floor, flanked by a comfortable couch and two simple armchairs. Windows with wooden blinds provide a view of the outdoors.
Home in Takayama
4.97 out of 5 average rating, 67 reviews

Kominka Lanorako An - Spend a quiet time in one of Japan's most beautiful villages

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