Enjoy a soak in the flowing waters of the open-air bath, deep within the secluded Onsen of Otari.

A traditional-style inn located at the entrance of Mount Amakazari, one of Japan's 100 famous mountains. Enjoy forest bathing and natural hot spring water in the open-air bath surrounded by beech forests. Also ideal as a base for nature walks and mountain climbing. Refresh both body and mind in the great outdoors.

  • We stayed for one night on a trip to Nagano. The location was so deep in the mountains that at first we wondered if there really was an Accommodation out there, but we were relieved to arrive safely.In addition to the indoor bath, there was also an outdoor hot spring (a “wild” bath), and we used both—they were wonderfully relaxing. The Facility itself seemed old, but it was kept very clean.The meals were just the right amount, and everything was delicious. Since I’m pregnant and avoiding raw fish, the staff kindly offered to switch it—suggesting fried chicken—which was very helpful. Next time, I’d love to try the char sashimi raw.My husband also said it was the first time he’d stayed at an Accommodation where every dish was this good, so we’d like to visit again in a different season and enjoy more of the料理.

    せと 7/7/2026
  • I initially thought it might be a bit far to travel from Togakushi, but they prepared a boxed breakfast for our early-morning departure and also allowed us to settle the bill the day before, so leaving early the next day was very smooth. At dinner, I tried iwana (char) sashimi for the first time; all the other dishes were delicious as well, and we really enjoyed the sake. There is a public open-air bath just a few minutes’ walk away, but this Accommodation’s open-air bath had better views, and it was wonderfully refreshing both for body and mind. Thank you very much.

    まっちゃんなのです 5/21/2026

Facilities and Services

See All
  • Hot spring
Open-air bath / Free-flowing hot spring / Large public bath / Room service
IN15:00~18:00
OUT10:00
Number of rooms13 rooms
PetNot allowed
Your childPermitted
Equipped with a shower and unit bath.
  • Twin
  • 25㎡
  • Capacity 1~2 people

【Gourmet Dining for Adults, Premium Kaiseki Plan!】Shinshu Select Kaiseki with Perfectly Balanced Portions

IN 15:00~18:00
OUT 10:00
¥38,720
Dinner and Breakfast included ; 2 peopleTax included¥34,870
(USD 218.56)

【Local Sake Tasting Plan】Enjoy Shinshu's local sake and hot springs on a serene adult getaway

IN 15:00~18:00
OUT 10:00
¥39,930
Dinner and Breakfast included ; 2 peopleTax included¥35,960
(USD 225.39)
A Japanese-style room with a relaxed atmosphere on the mountain side.
  • Japanese-style Room
  • Capacity 1~2 people

【Gourmet Dining for Adults, Premium Kaiseki Plan!】Shinshu Select Kaiseki with Perfectly Balanced Portions

IN 15:00~18:00
OUT 10:00
¥39,930
Dinner and Breakfast included ; 2 peopleTax included¥35,960
(USD 225.39)

【Local Sake Tasting Plan】Enjoy Shinshu's local sake and hot springs on a serene adult getaway

IN 15:00~18:00
OUT 10:00
¥41,140
Dinner and Breakfast included ; 2 peopleTax included¥37,050
(USD 232.22)
A Japanese-Western style room with a spacious veranda for relaxation
  • Japanese-Western room
  • Capacity 1~3 people

【Gourmet Dining for Adults, Premium Kaiseki Plan!】Shinshu Select Kaiseki with Perfectly Balanced Portions

IN 15:00~18:00
OUT 10:00
¥39,930
Dinner and Breakfast included ; 2 peopleTax included¥35,960
(USD 225.39)

【Local Sake Tasting Plan】Enjoy Shinshu's local sake and hot springs on a serene adult getaway

IN 15:00~18:00
OUT 10:00
¥41,140
Dinner and Breakfast included ; 2 peopleTax included¥37,050
(USD 232.22)

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Introduction of the Accommodation

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Surrounded by deep greenery, experience a blissful moment of serenity.

A quiet, single Property nestled at an altitude of 900 meters in the mountains, further along the mountain path from the secluded Otari Onsen—Amakazari-so. Amakazari Mountain, towering at the border of Otari Village and Niigata Prefecture, is just nearby. It is cherished as a base for those who enjoy hiking and exploring nature. From the budding season awakening from the long winter slumber, to the refreshing greenery of spring transitioning into summer, and the vibrant hues of the bountiful autumn painted vividly in the crisp air, immerse yourself in the ever-changing beauty of nature.

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The surrounding area boasts many scenic spots, particularly bustling with photographers during the autumn foliage season.

Onsen and bath

Onsen and bath

Indulge in the luxury of a secluded mountain hot spring with natural flowing waters. Enjoy an open-air bath that invites deep breaths amidst nature.

Room
Room

This is a guest room with a calm atmosphere emphasizing relaxation.

Meal
Meal

This is a countryside cuisine that abundantly uses locally sourced ingredients.

Other Facilities

Other Facilities

The interior features a traditional-style design, blending natural materials such as sturdy pillars, beams, and plaster with antique-style furnishings, evoking a sense of nostalgia and tranquility. Enjoy a special holiday with a leisurely flow of time.

Facilities and Equipment of Accommodation

  • The room
    The room
  • Hot Springs & Baths
    Hot Springs & Baths
  • Facilities & Services
    Facilities & Services
  • Meal
    Meal

Notice from the Accommodation

  • Rare natural hot spring flow

    Regarding the Accommodation Tax in Nagano Prefecture

    Starting June 1, 2026, Nagano Prefecture will introduce a new Accommodation Tax.
    This system is designed to fund tourism promotion efforts, such as enhancing tourism resources and improving the environment for travelers.

    Overview of the Accommodation Tax:
    - Applicable to guests staying at ryokans, hotels, simple accommodations, and private lodgings within Nagano Prefecture.
    - For accommodation fees of 6,000 yen or more per person per night without meals:
    - For the first three years after implementation: 200 yen.
    - From June 2029 onward: 300 yen.

    For more details about the Accommodation Tax, please visit Nagano Prefecture's official website.

    At Amakazarisou Ryokan, this Accommodation Tax will be charged separately and settled on-site. Additionally, starting this fiscal year, a Hot Spring Tax of 100 yen per adult per night will also be charged separately.

    We kindly ask for your understanding regarding these charges.

Basic Information

Card information
VISA / MASTER / JCB / AMEX / DINERS
Pets
Not allowed
BreakfastA Japanese-style breakfast to energize your day.
Your child
You can stay.
Room service
Available for use
Enjoy a draft beer after your bath! 14:00–17:00
Common amenities
  • ○ Shampoo · conditioner
  • ○ Body soap · soap
  • ○ Face towel
  • ○ Bath towel
  • × Body towel · sponge
  • ○ Toothbrush set
  • ○ Comb · Brush
  • ○ Shower cap
  • ○ Hair dryer
  • ○ Shaving
  • × Shaving Gel/Foam
  • × Bath additives
  • ○ Yukata
  • × Pajamas
  • × Bathrobe
  • ○ Slippers
  • × facial cleanser
  • × Toner
  • × Lotion
  • × Makeup remover
  • ○ Cotton swab
  • ○ Cotton
  • × Clothing deodorizing spray
  • ○ Refrigerator
  • × Minibar
  • ○ Electric kettle
  • ○ Tea set (free)
  • ○ Television
  • ○ Safe
  • × Scale
  • × Trouser press
  • × Free morning edition
  • × Pay-per-view broadcast
  • × Satellite broadcasting
Facilities and Features
  • ○ Hot spring
  • × Rooms with open-air baths available
  • ○ Open-air bath
  • ○ Free-flowing hot spring
  • ○ Large public bath
  • × Private bath
  • × Sauna
  • × Ganbanyoku (rock bathing)
  • × Within a 5-minute walk from the station
  • × Within a 5-minute walk to the convenience store.
  • × Indoor pool
  • × Outdoor pool
  • × Pet-friendly
  • × Spa facility
  • × Fitness
  • × Free shuttle service
  • × Shuttle Service (Paid)
  • ○ Room service
  • × Room Service Available 24 Hours
  • × Barrier-free
  • × Childcare services
Esthetic Massage
None
Fitness gym
None
Public Bath
The number of Public Bath
4
Business Hours
15:00~09:30
Hot spring
Available
Free-flowing
Available
Milky hot spring water
None
Additional Information
100% natural hot spring (Add water)
Remarks
The 51-degree natural hot spring water flows directly into the baths, and during summer, it is adjusted to a comfortable temperature by adding spring water from Mt. Amakazari.
Open-air bath
The number of Open-air bath
2
Business Hours
10:00~21:00
Hot spring
Available
Free-flowing
Available
Milky hot spring water
None
Additional Information
100% natural hot spring
Remarks
An open-air bath surrounded by a beech forest, located just a 3-minute walk from the Accommodation. You can enter with a small donation (free for guests staying at the Accommodation). During the fresh green and autumn foliage seasons, it becomes an open-air bath with breathtaking views.
Spring quality and benefits

Sodium Bicarbonate Spring

Cuts, peripheral nerve disorders, cold sensitivity, dry skin, joint pain such as neuralgia, stress-related symptoms, fatigue recovery, and health promotion.

※Regarding the notation of "Gensen Kakenagashi"
In some facilities, heating or adding water for temperature adjustment may be performed. Additionally, please note that in some parts of the facility, the hot spring water may not be free-flowing from the source. For more details, please contact each facility.

SaunaNone
Hot stone spaNone
OthersFrom April 1, 2025, credit card payments at the site (Amakazari-so) will require PIN code input instead of signature verification. For faster and more convenient transactions, we highly recommend using online credit card payment in advance!
About Hygiene Measures
- Daily temperature checks and health monitoring are conducted for our staff. - Guests are requested to undergo a temperature check and fill out a health check sheet at check-in. - Public baths and the restaurant are temporarily closed. - Hand sanitizers are placed throughout the facility. - Bathing is guided to avoid crowding. - Shared items have been removed for safety purposes. - Room amenities and equipment are disinfected after each use. - Rooms are left vacant for at least one day before being used again whenever possible. - Dining areas are arranged to prevent overcrowding.

Reviews

Overall Score
4.77
The best (19)
  • Rooms & Amenities
    4.53
  • Facility
    4.53
  • Hospitality & Service
    4.89
  • Meals
    4.89
  • Onsen & Bath
    4.79
  • Satisfaction
    5.00

*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 Prefecture18926-1, Oaza Nakatsuchi, Otari Village, Kitaazumi District
TEL:+81-261-85-1607

From Nagano/Matsumoto area: Turn right at Otari Onsen Entrance on Route 148, approximately 20 minutes.
From Kanazawa/Niigata area: Turn left at Otari Onsen Entrance on Route 148, approximately 20 minutes.

Parking Information
Fee
Free for guests
Parking time
---
Parking space
No restrictions
Number of parking spaces
20 cars available outdoor
Valet service
Unavailable
There is a parking lot for microbuses near the Ryokan.

Pickup and drop-off information
Unavailable

Frequently Asked Questions

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