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Ryokan

Ashiyasu Onsen Iwazonokan

Minami-Alps City, Yamanashi
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Our open-air boulder bath is the best in the prefecture! An inn with three grand baths and free-flowing water. Enjoy homelike hospitality, seasonal wild plants, and river fish.

  • Overview
  • Rooms & Plans
  • Reviews
  • Facilities

Guest review score

Very Good
Reviews: 15
4.1

Access

Shiozaki Station
31 min drive
Nirasaki Station
32 min drive
Ryuo Station
33 min drive

Property facilities

  • Free parking
  • Open-air bath (hot spring)
  • Vending machine
  • Banquet hall
  • Shop
  • Meeting room

Explore our rooms and plans

Price (low to high)
2 room types
* [Main building Japanese-style room with 8-12 tatami mat toilet (no washroom)] You can enjoy the natural scenery of each season from the window of the room.
Smoking
1 x Futon
12.96m²
Max 5 adults / 4 children
Room facilities
  • TV
  • Toilet available, no bath
  • Phone
  • Electronic kettle
  • Yukata
  • Shower caps
  • * [Men's open-air bath] A feeling of spaciousness and openness! 100% flowing from the source, plenty of source without heating and water circulation!
    No meal
    Free rental yukata
    Free parking
    Late check-in
    Price for:  
    1 night
     | 
     | 
    $127.01
    Taxes & fees incl.
    Plan details

    [Stay without meals] About 30 minutes on foot to the trailhead! Free-flowing hot spring [Room only]

    [For customers who want to enjoy Ashiyasu Onsen, which boasts beautiful skin at a great price <Stay without meals>] "Room without meals plan" is perfect for those who want to enjoy a trip in the Southern Alps freely. Convenient for climbing, business trips, and business without meals! Check-in is accepted until 20:00. ■ Ashiyasu Onsen ■ 100% free-flowing hot springs, no hot water circulation Please enjoy pure healing hot water luxuriously. (drinkable hot spring) ・Oiwa large open-air bath ・Rooftop open-air bath [Not available for the time being due to construction] ・Large public bath with a view ・Small family bath (*Inquiries required/not a private bath) ◇ Spring quality: Sulfate hot spring (alkaline hypotonic high hot spring), sodium, calcium ◇Benefits: Beautiful skin, recovery from fatigue, muscle pain, joint pain, stiff shoulders, sensitivity to cold, health promotion ◇Effects of drinking: Obesity, diabetes, chronic constipation, gout <You can take home the drinkable "Ashiyasu Onsen"> We offer hot spring water that is mild and drinkable from the secret hot spring, Ashiyasu Onsen. Please use it as daily drinking water, health maintenance, beauty and preservation water. *Please bring your own container to take home. ■□Points of the hotel□■ 〇 Numerous famous mountains to enjoy climbing Kitadake Ainodake, Hououdake, Senjodake, Kaikomagatake, etc. 〇 Yashajin Pass Hiking Course  About 30 minutes from the hotel to the trailhead, and about 1 hour to the observatory on the summit! You can enjoy the majestic appearance of the three Southern Alps Shiramine Mountains (Mt. Kitadake, Mt. Ainodake, and Mt. Notori)! * Southern Alps Ashian Mountain Museum About 5 minutes by car from the hotel, a museum of mountain culture and precious nature ■ Notes ■ There is no second-class convenience store near the hotel. (The nearest is about 20 minutes by car) Please purchase the necessary items in advance before coming. ■ Notes ■ ~For customers who climb Kitadake and Houou Sanzan~ Advance reservations are required for mountain huts and tent sites. Southern Alps Gateway (080-6775-7012/10:00-17:00)

    $127.01
    Taxes & fees incl.
    1 room 2 guests 1 night
    Plan benefits
    • Free rental yukata
    • Free parking
    • Late check-in
    Meals
    • Room only
  • * [Breakfast example / Main building] Simple but energetic breakfast. Please take it slower than usual.
    Meal
    Free rental yukata
    Free parking
    Late check-in
    Japanese breakfast
    Price for:  
    1 night
     | 
     | 
    $141.13
    Taxes & fees incl.
    Plan details

    [Breakfast included] Check-in until 20:00 OK! [Japanese breakfast]

    Travel to the Southern Alps. "Breakfast plan" without dinner After enjoying a business trip or sightseeing, soak in the hotel's large open-air bath. We used plenty of local vegetables in the morning Wake up with a healthy breakfast♪ Chubu Odan Expressway  About 35 minutes by car from Shirane IC. About 50 minutes by car from Kofu Station on the Chuo Main Line. Please use it as a base for mountain climbing, hiking, and sightseeing! ■ Cuisine ■ *Provided at the restaurant Vegetables ordered from local farmers, warm rice, and miso soup. A river fish raised in the clear waters of the Southern Alps. Enjoy a healthy and delicious Japanese breakfast filled with the blessings of the mountains. *The contents of the menu are subject to change depending on the season and stock availability. ■ Hot spring ■ 100% free-flowing hot springs, no hot water circulation Please enjoy pure healing hot water luxuriously. (drinkable hot spring) ・Oiwa large open-air bath ・Rooftop open-air bath [Not available for the time being due to construction] ・Large public bath with a view ・Small family bath (*Inquiries required/not a private bath) ◇ Spring quality: Sulfate hot spring (alkaline hypotonic high hot spring), sodium, calcium ◇Benefits: Beautiful skin, recovery from fatigue, muscle pain, joint pain, stiff shoulders, sensitivity to cold, health promotion ◇Effects of drinking: Obesity, diabetes, chronic constipation, gout <You can take home the drinkable "Ashiyasu Onsen"> We offer hot spring water that is mild and drinkable from the secret hot spring, Ashiyasu Onsen. Please use it as daily drinking water, health maintenance, beauty and preservation water. *Please bring your own container to take home. ■ Climbing and surrounding sightseeing ■ 〇Mt. Kitadake Ainodake, Mt. Houou, Mt. Senjo, Mt. 〇 Yashajin Pass Hiking Course  It takes about 30 minutes from the hotel to the trailhead and about 1 hour to reach the summit observatory! * Southern Alps Ashian Mountain Museum About 5 minutes by car from the hotel, a museum of mountain culture and precious nature ■ Notes ■ ~For customers who climb Kitadake and Houou Sanzan~ Advance reservations are required for mountain huts and tent sites. Southern Alps Gateway (080-6775-7012/10:00-17:00)

    $141.13
    Taxes & fees incl.
    1 room 2 guests 1 night
    Plan benefits
    • Free rental yukata
    • Free parking
    • Late check-in
    Meals
    • Japanese breakfast
    Dining locations
    • Breakfast (Japanese restaurant)
  • * [Supper example / East Building] We will prepare Japanese Kaiseki cuisine that is slightly upgraded from the main building.
    Meal
    Free rental yukata
    Seasonal cuisine
    Free parking
    Dinner
    Price for:  
    1 night
     | 
     | 
    $155.24
    Taxes & fees incl.
    Plan details

    [With dinner / without breakfast] Hiking [Dinner]

    [Recommended for climbing] Surrounded by the spectacular Southern Alps 100 mountains A one-night stay with dinner at an inn that boasts hot springs, enjoying the food and mountains♪ No breakfast for customers who leave early in the morning for mountain climbing We have a plan for dinner only. Ashiyasu Onsen is a 100% free-flowing, pure sulfate hot spring with no added water. The thick, soft hot water is for [beautiful skin] and [recovery from fatigue]. It is a highly satisfying hot spring that can be expected to be effective for hot springs. Climbing in summer! Mt. Kitadake Ainodake, Mt. Houou, Mt. Senjo, Mt. It is also recommended for staying before and after climbing. ■ Cooking: At the restaurant <Dinner> We offer Japanese kaiseki cuisine using domestically produced seasonal ingredients. Sweet vegetables from the clear waters of the Southern Alps, Freshwater fish with no odor has a reputation for being delicious. Meat dishes are high in fat but low in calories and high in protein We offer healthy boar and pork. *The contents of the menu are subject to change depending on the season and stock availability. ・No breakfast ■ Hot spring 100% free-flowing hot springs, no hot water circulation Please enjoy pure healing hot water luxuriously. (drinkable hot spring) ・Oiwa large open-air bath ・ Rooftop open-air bath [Unusable for the time being due to construction] ・Large public bath with a view ・Small family bath (*Inquiries required/not a private bath) ◇ Spring quality: Sulfate hot spring (alkaline hypotonic high hot spring), sodium, calcium ◇Benefits: Beautiful skin, recovery from fatigue, muscle pain, joint pain, stiff shoulders, sensitivity to cold, health promotion ◇Effects of drinking: Obesity, diabetes, chronic constipation, gout <You can take home the drinkable "Ashiyasu Onsen"> We offer hot spring water that is mild and drinkable from the secret hot spring, Ashiyasu Onsen. Please use it as daily drinking water, health maintenance, beauty and preservation water. *Please bring your own container to take home. ■ Notes ~For customers who climb Kitadake and Houou Sanzan~ Advance reservations are required for mountain huts and tent sites. Southern Alps Gateway (080-6775-7012/10:00-17:00) Please contact us in advance.

    $155.24
    Taxes & fees incl.
    1 room 2 guests 1 night
    Plan benefits
    • Free rental yukata
    • Seasonal cuisine
    • Free parking
    Meals
    • Dinner
    Dining locations
    • Dinner (Japanese restaurant)
Room details

[Main building] Japanese-style room 8-12 tatami mats [Standard] [Japanese room] [Smoking]

Smoking
1 x Futon
12.96m²
Max 5 adults / 4 children
Room facilities
  • TV
  • Toilet available, no bath
  • Phone
  • Electronic kettle
Amenities
  • Yukata
  • Shower caps
  • Razors
  • Bath towels
  • Face towels
  • Slippers
* [East Building 10 tatami mats-Japanese-style room or Japanese-Western style room with washroom & toilet] Up to 5 people OK! It is a spacious structure
Smoking
1 x Futon
16.2m²
Max 5 adults / 4 children
Room facilities
  • TV
  • Toilet available, no bath
  • Electronic kettle
  • Yukata
  • Toothbrush sets
  • Razors
  • * [Men's open-air bath] A feeling of spaciousness and openness! 100% flowing from the source, plenty of source without heating and water circulation!
    No meal
    Free rental yukata
    Free parking
    Late check-in
    Price for:  
    1 night
     | 
     | 
    $155.24
    Taxes & fees incl.
    Plan details

    [Stay without meals] About 30 minutes on foot to the trailhead! Free-flowing hot spring [Room only]

    [For customers who want to enjoy Ashiyasu Onsen, which boasts beautiful skin at a great price <Stay without meals>] "Room without meals plan" is perfect for those who want to enjoy a trip in the Southern Alps freely. Convenient for climbing, business trips, and business without meals! Check-in is accepted until 20:00. ■ Ashiyasu Onsen ■ 100% free-flowing hot springs, no hot water circulation Please enjoy pure healing hot water luxuriously. (drinkable hot spring) ・Oiwa large open-air bath ・Rooftop open-air bath [Not available for the time being due to construction] ・Large public bath with a view ・Small family bath (*Inquiries required/not a private bath) ◇ Spring quality: Sulfate hot spring (alkaline hypotonic high hot spring), sodium, calcium ◇Benefits: Beautiful skin, recovery from fatigue, muscle pain, joint pain, stiff shoulders, sensitivity to cold, health promotion ◇Effects of drinking: Obesity, diabetes, chronic constipation, gout <You can take home the drinkable "Ashiyasu Onsen"> We offer hot spring water that is mild and drinkable from the secret hot spring, Ashiyasu Onsen. Please use it as daily drinking water, health maintenance, beauty and preservation water. *Please bring your own container to take home. ■□Points of the hotel□■ 〇 Numerous famous mountains to enjoy climbing Kitadake Ainodake, Hououdake, Senjodake, Kaikomagatake, etc. 〇 Yashajin Pass Hiking Course  About 30 minutes from the hotel to the trailhead, and about 1 hour to the observatory on the summit! You can enjoy the majestic appearance of the three Southern Alps Shiramine Mountains (Mt. Kitadake, Mt. Ainodake, and Mt. Notori)! * Southern Alps Ashian Mountain Museum About 5 minutes by car from the hotel, a museum of mountain culture and precious nature ■ Notes ■ There is no second-class convenience store near the hotel. (The nearest is about 20 minutes by car) Please purchase the necessary items in advance before coming. ■ Notes ■ ~For customers who climb Kitadake and Houou Sanzan~ Advance reservations are required for mountain huts and tent sites. Southern Alps Gateway (080-6775-7012/10:00-17:00)