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Ryokan

Hotel Kaminoyu Onsen

Kai City, Yamanashi, Japan
Show on map

Featuring an open-air bath on the top floor with magnificent views of Mount Fuji and the beautiful starry night sky. Free use for up to 50 minutes per group/couple.

Guest review score

Very Good
Reviews: 275
3.9

Access

Ryuo Station
30 min walk
Shiozaki Station
15 min drive
Kai-sumiyoshi Station
30 min drive

Property facilities

  • Wi-Fi
  • Lounge
  • Designated smoking area
  • Vending machine
  • Shop
  • Banquet hall

Explore our rooms and plans

Price (low to high)
4 room types
There is no bath, but it is a large room with 15 tatami mats. Recommended for large groups of guests.
A large Kamidana on the left immediately after entering the entrance. We are worshiping the hot spring god "Hoshosan Yatsu Gigoku Shrine".
Seven types of baths with different temperatures from 36 to 42 degrees Celsius, such as hitase hot water, sleeping bath, and vibra bath.
Smoking
1 x Futon
19.4 m²
Max 8 adults / 7 children
Room facilities
  • Toilet available, no bath
  • Clothing rack
  • Drying rack
  • Safe deposit box
  • Electronic kettle
  • Refrigerator
  • At night, enjoy the beautiful night view of the Kofu Basin below.
    Only 2 rooms left!
    Free cancellation until 21 Jul
    Meal
    Free privately reservable bath
    Breakfast
    Dinner
    Dinner (Japanese restaurant)
    Flash Coupon
    Price for:
    1 night
     | 
     | 
    AU$313.10
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    [37th Anniversary Special Limited-Time Discount! Value-for-money trial plan [Breakfast] [Dinner]

    Free cancellation until 21/07/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    [ Plan details ] This plan is a great deal. It's a great deal. [Now save 4,400 yen per person for 2 people!] (tax included)] [Limited to 5 rooms] Basic standard plan: Weekday price for 2 guests reduced from 19,800 yen per person to 15,400 yen per person for a limited plan. (The price is for one person) *The price range varies slightly depending on the room. "I want to enjoy a hot spring trip at a low price" "I don't like too much food at the inn." "I want to eat delicious creative food than a buffet." This is a special limited plan created based on feedback from our guests. The amenities and room facilities remain the same as the regular plan, with only the meals differing from the basic course. It is a budget-friendly plan that can be enjoyed with like-minded friends or groups. [Special Benefits] ① Meals are prepared as a healthy menu with reduced portions. ② Banquet cuisine including 12 dishes such as Fuji Sakura Pork and Koshu Wine Beef Curry (breakfast). ③ Enjoy your meals in a spacious Japanese-style banquet hall with convenient seating arrangements. ④ Hot springs are natural flowing (large public bath), with seven baths available 24 hours a day! ⑤ 'Kagayaki no Yu' panoramic private open-air bath, best in Kofu, available for 50 minutes anytime in the morning or evening if vacant. ⑥ On clear days, enjoy breathtaking views of Mt. Fuji and the night scenery from a special Japanese-style room. This is a special limited plan, so it is available only to guests who post reviews or complete a survey provided by the inn. *As this is a limited plan, reservations will close as soon as five rooms are booked. Since it is on a first-come, first-served basis, we strongly recommend making your reservation immediately.

    Flash Coupon
    AU$313.10
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free privately reservable bath
    Meals
    • Breakfast
    • Dinner
    Dining locations
    • Dinner (Japanese restaurant)
    • Breakfast (Japanese restaurant)
    Cancellation policy
    Free cancellation deadline
    21/07/2026 11:59 p.m. (JST)
    3 day(s) before your stay (from 00:00) (JST)
    30%
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 1/10/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 1/04/1950) (Per person per night)¥150

    * Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Room details

Japanese room, Smoking (Japanese-style space + private open-air bath renovated, 12-15 tatami mats [No bath, Smoking])

Smoking
1 x Futon
19.4 m²
Max 8 adults / 7 children
Room facilities
  • Toilet available, no bath
  • Clothing rack
  • Drying rack
  • Safe deposit box
  • Electronic kettle
  • Refrigerator
  • Wi-Fi in room (free)
  • Digital broadcast
Room location
  • Main building
  • Lower floor
If you want to stay at the most reasonable Japanese-style room at Kaminoyu Onsen, please make a reservation in this room.
Shops such as wine, local sake, raindrop cake, and Koshu confectionery. Click here for souvenirs ♪
A large Kamidana on the left immediately after entering the entrance. We are worshiping the hot spring god "Hoshosan Yatsu Gigoku Shrine".
No smoking
1 x Futon
View of Mount Fuji
24.3 m²
Max 8 adults / 7 children
Room facilities
  • Toilet available, no bath
  • Clothing rack
  • Drying rack
  • Safe deposit box
  • Electronic kettle
  • Refrigerator
  • At night, enjoy the beautiful night view of the Kofu Basin below.
    Only 2 rooms left!
    Free cancellation until 21 Jul
    Meal
    Free privately reservable bath
    Breakfast
    Dinner
    Dinner (Japanese restaurant)
    Flash Coupon
    Price for:
    1 night
     | 
     | 
    AU$313.10
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    [37th Anniversary Special Limited-Time Discount! Value-for-money trial plan [Breakfast] [Dinner]

    Free cancellation until 21/07/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    [ Plan details ] This plan is a great deal. It's a great deal. [Now save 4,400 yen per person for 2 people!] (tax included)] [Limited to 5 rooms] Basic standard plan: Weekday price for 2 guests reduced from 19,800 yen per person to 15,400 yen per person for a limited plan. (The price is for one person) *The price range varies slightly depending on the room. "I want to enjoy a hot spring trip at a low price" "I don't like too much food at the inn." "I want to eat delicious creative food than a buffet." This is a special limited plan created based on feedback from our guests. The amenities and room facilities remain the same as the regular plan, with only the meals differing from the basic course. It is a budget-friendly plan that can be enjoyed with like-minded friends or groups. [Special Benefits] ① Meals are prepared as a healthy menu with reduced portions. ② Banquet cuisine including 12 dishes such as Fuji Sakura Pork and Koshu Wine Beef Curry (breakfast). ③ Enjoy your meals in a spacious Japanese-style banquet hall with convenient seating arrangements. ④ Hot springs are natural flowing (large public bath), with seven baths available 24 hours a day! ⑤ 'Kagayaki no Yu' panoramic private open-air bath, best in Kofu, available for 50 minutes anytime in the morning or evening if vacant. ⑥ On clear days, enjoy breathtaking views of Mt. Fuji and the night scenery from a special Japanese-style room. This is a special limited plan, so it is available only to guests who post reviews or complete a survey provided by the inn. *As this is a limited plan, reservations will close as soon as five rooms are booked. Since it is on a first-come, first-served basis, we strongly recommend making your reservation immediately.

    Flash Coupon
    AU$313.10
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free privately reservable bath
    Meals
    • Breakfast
    • Dinner
    Dining locations
    • Dinner (Japanese restaurant)
    • Breakfast (Japanese restaurant)
    Cancellation policy
    Free cancellation deadline
    21/07/2026 11:59 p.m. (JST)
    3 day(s) before your stay (from 00:00) (JST)
    30%
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 1/10/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 1/04/1950) (Per person per night)¥150

    * Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Room details

Japanese room, View of Mount Fuji, Non-smoking (Japanese-style space + Private open-air bath renovated, 12-15 tatami [No bath, non-smoking])

No smoking
1 x Futon
View of Mount Fuji
24.3 m²
Max 8 adults / 7 children
Room facilities
  • Toilet available, no bath
  • Clothing rack
  • Drying rack
  • Safe deposit box
  • Electronic kettle
  • Refrigerator
  • Wi-Fi in room (free)
  • Digital broadcast
  • Individual air conditioning
Amenities
  • Toothbrush sets
  • Bath towels
  • Face towels
  • Hand soap
  • Hairbrushes
  • Tissues
  • Slippers
  • Yukata
  • Hair dryers
  • Kids' slippers
You can overlook Mt. Fuji and the Kofu Basin from the large windows.
A hot spring that overflows with bubbling. The spring quality is sodium chloride spring. Efficacy is effective for back pain and stiff shoulders.
Shops such as wine, local sake, raindrop cake, and Koshu confectionery. Click here for souvenirs ♪
Nightlife view
19.4 m²
Max 6 adults / 5 children
Room facilities
  • Bath and toilet available
  • Phone
  • Clothing rack
  • Drying rack
  • Safe deposit box
  • Electronic kettle
  • At night, enjoy the beautiful night view of the Kofu Basin below.
    Only 1 room left!
    Free cancellation until 21 Jul
    Meal
    Free privately reservable bath
    Breakfast
    Dinner
    Dinner (Japanese restaurant)
    Flash Coupon
    Price for:
    1 night
     | 
     | 
    AU$332.67
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    [37th Anniversary Special Limited-Time Discount! Value-for-money trial plan [Breakfast] [Dinner]

    Free cancellation until 21/07/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    [ Plan details ] This plan is a great deal. It's a great deal. [Now save 4,400 yen per person for 2 people!] (tax included)] [Limited to 5 rooms] Basic standard plan: Weekday price for 2 guests reduced from 19,800 yen per person to 15,400 yen per person for a limited plan. (The price is for one person) *The price range varies slightly depending on the room. "I want to enjoy a hot spring trip at a low price" "I don't like too much food at the inn." "I want to eat delicious creative food than a buffet." This is a special limited plan created based on feedback from our guests. The amenities and room facilities remain the same as the regular plan, with only the meals differing from the basic course. It is a budget-friendly plan that can be enjoyed with like-minded friends or groups. [Special Benefits] ① Meals are prepared as a healthy menu with reduced portions. ② Banquet cuisine including 12 dishes such as Fuji Sakura Pork and Koshu Wine Beef Curry (breakfast). ③ Enjoy your meals in a spacious Japanese-style banquet hall with convenient seating arrangements. ④ Hot springs are natural flowing (large public bath), with seven baths available 24 hours a day! ⑤ 'Kagayaki no Yu' panoramic private open-air bath, best in Kofu, available for 50 minutes anytime in the morning or evening if vacant. ⑥ On clear days, enjoy breathtaking views of Mt. Fuji and the night scenery from a special Japanese-style room. This is a special limited plan, so it is available only to guests who post reviews or complete a survey provided by the inn. *As this is a limited plan, reservations will close as soon as five rooms are booked. Since it is on a first-come, first-served basis, we strongly recommend making your reservation immediately.

    Flash Coupon
    AU$332.67
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free privately reservable bath
    Meals
    • Breakfast
    • Dinner
    Dining locations
    • Dinner (Japanese restaurant)
    • Breakfast (Japanese restaurant)
    Cancellation policy
    Free cancellation deadline
    21/07/2026 11:59 p.m. (JST)
    3 day(s) before your stay (from 00:00) (JST)
    30%
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 1/10/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 1/04/1950) (Per person per night)¥150

    * Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Room details

Japanese room, Nightlife view, Smoking/non-smoking not specified (Mt. Fuji view and breathtaking nightscape No.1 12-15 tatami [Smoking])

Nightlife view
19.4 m²
Max 6 adults / 5 children
Room facilities
  • Bath and toilet available
  • Phone
  • Clothing rack
  • Drying rack
  • Safe deposit box
  • Electronic kettle
  • Refrigerator
  • Wi-Fi in room (free)
  • Digital broadcast
  • Individual air conditioning
  • Air purifier
Amenities
  • Toothbrush sets
  • Bath towels
  • Face towels
  • Hand soap
  • Hairbrushes
  • Tissues
  • Slippers
  • Yukata
  • Hair dryers
  • Kids' slippers
Room location
  • Main building
  • Top floor
It will be a 12.5 tatami Japanese-style room with a wide rim and a rotating high-seat chair that is popular nowadays. Or a Japanese-style room with 8 tatami mats and 4.5 tatami mats.
At night, enjoy a 180-degree panoramic night view below.
A hot spring that overflows with bubbling. The spring quality is sodium chloride spring. Efficacy is effective for back pain and stiff shoulders.
No smoking
1 x Futon
Nightlife view
19.4 m²
Max 6 adults / 5 children
Room facilities
  • Shower available
  • At night, enjoy the beautiful night view of the Kofu Basin below.
    Only 2 rooms left!
    Free cancellation until 21 Jul
    Meal
    Free privately reservable bath
    Breakfast
    Dinner
    Dinner (Japanese restaurant)
    Flash Coupon
    Price for:
    1 night
     | 
     | 
    AU$332.67
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    [37th Anniversary Special Limited-Time Discount! Value-for-money trial plan [Breakfast] [Dinner]

    Free cancellation until 21/07/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    [ Plan details ] This plan is a great deal. It's a great deal. [Now save 4,400 yen per person for 2 people!] (tax included)] [Limited to 5 rooms] Basic standard plan: Weekday price for 2 guests reduced from 19,800 yen per person to 15,400 yen per person for a limited plan. (The price is for one person) *The price range varies slightly depending on the room. "I want to enjoy a hot spring trip at a low price" "I don't like too much food at the inn." "I want to eat delicious creative food than a buffet." This is a special limited plan created based on feedback from our guests. The amenities and room facilities remain the same as the regular plan, with only the meals differing from the basic course. It is a budget-friendly plan that can be enjoyed with like-minded friends or groups. [Special Benefits] ① Meals are prepared as a healthy menu with reduced portions. ② Banquet cuisine including 12 dishes such as Fuji Sakura Pork and Koshu Wine Beef Curry (breakfast). ③ Enjoy your meals in a spacious Japanese-style banquet hall with convenient seating arrangements. ④ Hot springs are natural flowing (large public bath), with seven baths available 24 hours a day! ⑤ 'Kagayaki no Yu' panoramic private open-air bath, best in Kofu, available for 50 minutes anytime in the morning or evening if vacant. ⑥ On clear days, enjoy breathtaking views of Mt. Fuji and the night scenery from a special Japanese-style room. This is a special limited plan, so it is available only to guests who post reviews or complete a survey provided by the inn. *As this is a limited plan, reservations will close as soon as five rooms are booked. Since it is on a first-come, first-served basis, we strongly recommend making your reservation immediately.

    Flash Coupon
    AU$332.67
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free privately reservable bath
    Meals
    • Breakfast
    • Dinner
    Dining locations
    • Dinner (Japanese restaurant)
    • Breakfast (Japanese restaurant)
    Cancellation policy
    Free cancellation deadline
    21/07/2026 11:59 p.m. (JST)
    3 day(s) before your stay (from 00:00) (JST)
    30%
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 1/10/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 1/04/1950) (Per person per night)¥150

    * Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Room details

Japanese room, Nightlife view, Non-smoking (Mt. Fuji view and stunning night scenery NO.1 12-15 tatami!![non-smoking])

No smoking
1 x Futon
Nightlife view
19.4 m²
Max 6 adults / 5 children
Room facilities
  • Shower available