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Business hotel

Ryuo Radon Onsen Hotel U-Topia

Kai City, Yamanashi, Japan
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Awarded first place under the "Health Promotion Category" of Japan's Hot Springs and Accommodation General Election 2021! It also received an award for its Covid preventive measures.

Guest review score

Very Good
Reviews: 104
3.9

Access

Ryuo Station
11 min walk
Shiozaki Station
10 min drive
Kai-sumiyoshi Station
13 min drive

Property facilities

  • Parking lot
  • Spa / Beauty salon
  • Restaurant
  • Vending machine
  • Shop
  • Banquet hall

Explore our rooms and plans

Price (low to high)
4 room types
6 tatami mats in a Japanese-style room of just the right size
No smoking
172.2 ft²
Max 3 adults / 2 children
Room facilities
  • Internet available in room
  • Toilet available, no bath
  • Only 5 rooms left!
    Free cancellation until Feb 20
    No meal
    Free parking
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $118.43
    Taxes & fees incl.

    Coupon

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

    room only plan [Room only]

    Free cancellation until 2/20/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This plan includes the room rate only. Please note that meals are not included.

    Rakuten Special OfferFlash Coupon
    $118.43
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free parking
    Meals
    • Room only
    Cancellation policy
    Free cancellation deadline
    2/20/2026 11:59 p.m. (JST)
    9 day(s) before your stay (from 00:00) (JST)
    20%
    1 day(s) before your stay (from 00:00) (JST)
    80%
    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 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (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.

  • Only 5 rooms left!
    Free cancellation until Feb 20
    Meal
    Free parking
    Breakfast
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $129.53
    Taxes & fees incl.

    Coupon

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

    Plan with breakfast included [Breakfast]

    Free cancellation until 2/20/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This plan only includes breakfast. Please note that dinner is not provided. ◎An amazing secret spring! Enjoy our all-natural hot spring◎ ■The three charms of Yutopia! ■ ①An amazing secret spring! All-natural hot spring, beauty bath. We are proud of our radon hot spring, the best in Eastern medicine, which has a therapeutic effect. ②A genuine 100% free-flowing hot spring, which is said to be only 2% in the country [The ultimate health hot spring] ③It is about 3 minutes by car from the nearest IC, and you can also visit by JR or bus from Kofu Station! It is also convenient for sightseeing. ■Awards■ ・Ranked first in the health promotion category in the 2021 Hot Spring and Hotel General Election. ・Ranked first in the health promotion category in the 2020 Hot Spring General Election and COVID-19 Countermeasures Award ・Ranked first in the Hokuriku/Koshinetsu category and Yamanashi Prefecture in the "Popular Hot Springs Chosen by Users" Nifty Hot Spring Ranking 2021.

    Rakuten Special OfferFlash Coupon
    $129.53
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free parking
    Meals
    • Breakfast
    Cancellation policy
    Free cancellation deadline
    2/20/2026 11:59 p.m. (JST)
    9 day(s) before your stay (from 00:00) (JST)
    20%
    1 day(s) before your stay (from 00:00) (JST)
    80%
    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 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (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, Non-smoking (6 tatami <No bath, with toilet> <Wi-Fi equipped>)

No smoking
172.2 ft²
Max 3 adults / 2 children
Room facilities
  • Internet available in room
  • Toilet available, no bath
Semi-double twin room
No smoking
172.2 ft²
Max 2 adults / 1 child
Room facilities
  • Bath and toilet available
  • Internet available in room
  • Free cancellation until Feb 20
    No meal
    Free parking
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $118.43
    Taxes & fees incl.

    Coupon

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

    room only plan [Room only]

    Free cancellation until 2/20/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This plan includes the room rate only. Please note that meals are not included.

    Rakuten Special OfferFlash Coupon
    $118.43
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free parking
    Meals
    • Room only
    Cancellation policy
    Free cancellation deadline
    2/20/2026 11:59 p.m. (JST)
    9 day(s) before your stay (from 00:00) (JST)
    20%
    1 day(s) before your stay (from 00:00) (JST)
    80%
    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 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (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.

  • Free cancellation until Feb 20
    Meal
    Free parking
    Breakfast
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $129.53
    Taxes & fees incl.

    Coupon

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

    Plan with breakfast included [Breakfast]

    Free cancellation until 2/20/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This plan only includes breakfast. Please note that dinner is not provided. ◎An amazing secret spring! Enjoy our all-natural hot spring◎ ■The three charms of Yutopia! ■ ①An amazing secret spring! All-natural hot spring, beauty bath. We are proud of our radon hot spring, the best in Eastern medicine, which has a therapeutic effect. ②A genuine 100% free-flowing hot spring, which is said to be only 2% in the country [The ultimate health hot spring] ③It is about 3 minutes by car from the nearest IC, and you can also visit by JR or bus from Kofu Station! It is also convenient for sightseeing. ■Awards■ ・Ranked first in the health promotion category in the 2021 Hot Spring and Hotel General Election. ・Ranked first in the health promotion category in the 2020 Hot Spring General Election and COVID-19 Countermeasures Award ・Ranked first in the Hokuriku/Koshinetsu category and Yamanashi Prefecture in the "Popular Hot Springs Chosen by Users" Nifty Hot Spring Ranking 2021.

    Rakuten Special OfferFlash Coupon
    $129.53
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free parking
    Meals
    • Breakfast
    Cancellation policy
    Free cancellation deadline
    2/20/2026 11:59 p.m. (JST)
    9 day(s) before your stay (from 00:00) (JST)
    20%
    1 day(s) before your stay (from 00:00) (JST)
    80%
    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 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (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

Twin room, Non-smoking (Twin <with bath and toilet> <Wi-Fi equipped>)

No smoking
172.2 ft²
Max 2 adults / 1 child
Room facilities
  • Bath and toilet available
  • Internet available in room
[Good sleep room] Memory foam mattress Truth Sleeper has been introduced. Pillows also use low resilience.
No smoking
172.2 ft²
Max 2 adults / 1 child
Room facilities
  • Bath and toilet available
  • Internet available in room
  • Only 4 rooms left!
    Free cancellation until Feb 20
    No meal
    Free parking
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $134.23
    Taxes & fees incl.

    Coupon

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

    room only plan [Room only]

    Free cancellation until 2/20/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This plan includes the room rate only. Please note that meals are not included.

    Rakuten Special OfferFlash Coupon
    $134.23
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free parking
    Meals
    • Room only
    Cancellation policy
    Free cancellation deadline
    2/20/2026 11:59 p.m. (JST)
    9 day(s) before your stay (from 00:00) (JST)
    20%
    1 day(s) before your stay (from 00:00) (JST)
    80%
    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 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (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.

  • Only 4 rooms left!
    Free cancellation until Feb 20
    Meal
    Free parking
    Breakfast
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $145.33
    Taxes & fees incl.

    Coupon

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

    Plan with breakfast included [Breakfast]

    Free cancellation until 2/20/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This plan only includes breakfast. Please note that dinner is not provided. ◎An amazing secret spring! Enjoy our all-natural hot spring◎ ■The three charms of Yutopia! ■ ①An amazing secret spring! All-natural hot spring, beauty bath. We are proud of our radon hot spring, the best in Eastern medicine, which has a therapeutic effect. ②A genuine 100% free-flowing hot spring, which is said to be only 2% in the country [The ultimate health hot spring] ③It is about 3 minutes by car from the nearest IC, and you can also visit by JR or bus from Kofu Station! It is also convenient for sightseeing. ■Awards■ ・Ranked first in the health promotion category in the 2021 Hot Spring and Hotel General Election. ・Ranked first in the health promotion category in the 2020 Hot Spring General Election and COVID-19 Countermeasures Award ・Ranked first in the Hokuriku/Koshinetsu category and Yamanashi Prefecture in the "Popular Hot Springs Chosen by Users" Nifty Hot Spring Ranking 2021.

    Rakuten Special OfferFlash Coupon
    $145.33
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free parking
    Meals
    • Breakfast
    Cancellation policy
    Free cancellation deadline
    2/20/2026 11:59 p.m. (JST)
    9 day(s) before your stay (from 00:00) (JST)
    20%
    1 day(s) before your stay (from 00:00) (JST)
    80%
    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 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (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

Twin room, Non-smoking (【Comfortable Twin Room】Low-resilience mattress True Sleeper installed)

No smoking
172.2 ft²
Max 2 adults / 1 child
Room facilities
  • Bath and toilet available
  • Internet available in room
Spacious Japanese-style room 12 tatami mats
No smoking
344.4 ft²
Max 6 adults / 4 children
Room facilities
  • Internet available in room
  • Toilet available, no bath
  • Only 4 rooms left!
    Free cancellation until Feb 20
    No meal
    Free parking
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $150.03
    Taxes & fees incl.

    Coupon

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

    room only plan [Room only]

    Free cancellation until 2/20/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This plan includes the room rate only. Please note that meals are not included.

    Rakuten Special OfferFlash Coupon
    $150.03
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free parking
    Meals
    • Room only
    Cancellation policy
    Free cancellation deadline
    2/20/2026 11:59 p.m. (JST)
    9 day(s) before your stay (from 00:00) (JST)
    20%
    1 day(s) before your stay (from 00:00) (JST)
    80%
    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 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (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.

  • Only 4 rooms left!
    Free cancellation until Feb 20
    Meal
    Free parking
    Breakfast
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $161.13
    Taxes & fees incl.

    Coupon

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

    Plan with breakfast included [Breakfast]

    Free cancellation until 2/20/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This plan only includes breakfast. Please note that dinner is not provided. ◎An amazing secret spring! Enjoy our all-natural hot spring◎ ■The three charms of Yutopia! ■ ①An amazing secret spring! All-natural hot spring, beauty bath. We are proud of our radon hot spring, the best in Eastern medicine, which has a therapeutic effect. ②A genuine 100% free-flowing hot spring, which is said to be only 2% in the country [The ultimate health hot spring] ③It is about 3 minutes by car from the nearest IC, and you can also visit by JR or bus from Kofu Station! It is also convenient for sightseeing. ■Awards■ ・Ranked first in the health promotion category in the 2021 Hot Spring and Hotel General Election. ・Ranked first in the health promotion category in the 2020 Hot Spring General Election and COVID-19 Countermeasures Award ・Ranked first in the Hokuriku/Koshinetsu category and Yamanashi Prefecture in the "Popular Hot Springs Chosen by Users" Nifty Hot Spring Ranking 2021.

    Rakuten Special OfferFlash Coupon
    $161.13
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free parking
    Meals
    • Breakfast
    Cancellation policy
    Free cancellation deadline
    2/20/2026 11:59 p.m. (JST)
    9 day(s) before your stay (from 00:00) (JST)
    20%
    1 day(s) before your stay (from 00:00) (JST)
    80%
    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 10/1/2019) (Per person per night) 10%

    Excluded*

    Bathing tax (from 4/1/1950) (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, Non-smoking (12 tatami <No bath, with toilet, Wi-Fi equipped>)

No smoking
344.4 ft²
Max 6 adults / 4 children
Room facilities
  • Internet available in room
  • Toilet available, no bath