navigate to top page
  • Overview
  • Rooms & Plans
  • Reviews
  • Facilities
Ryokan

Unzen Onsen Seiunso

Introducing the
Japan Quality Accreditation
This establishment has been awarded our Japan Quality accreditation. It has received high ratings from its guests for providing exemplary service, and through its operations it has demonstrated the ability to offer an authentic Japanese travel experience.
Unzen City, Nagasaki, Japan
Show on map

Featuring milky white "beauty-enhancing" hot spring water sourced directly from a private spring, all baths are offered as free-flowing hot springs. Relax and unwind in the natural surroundings of Unzen.

Guest review score

Excellent
Reviews: 783
4.3

Access

Nagasaki Station
1 hr 30 min drive
Nagasaki Station
1 hr 50 min bus ride
Shimabara Station
50 min bus ride

Property facilities

  • Wi-Fi
  • Parking lot
  • Restaurant
  • Completely non-smoking
  • Vending machine
  • Tennis court

Explore our rooms and plans

Price (low to high)
2 room types
No smoking
33 m²
1–3 guests
Room facilities
  • Toilet available, no bath
  • Electronic kettle
  • Refrigerator
  • Wi-Fi in room (free)
  • Toothbrush sets
  • Bath towels
  • [Dinner example] Unzen Colorful Kaiseki Course *Image (may change depending on the season)
    Free cancellation until 24 Aug
    Meal
    Free parking
    Seasonal cuisine
    Free colorful rental yukata
    Breakfast
    Seasonal SaleFlash Coupon
    Credit card prepayment only
    Price for:
    1 night
     | 
     | 
    -14%
    S$277.90
    S$236.22
    Taxes & fees incl.

    Coupon

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

    [One night with two meals] Seasonal banquet cuisine featuring Unzen's vibrant flavors [Breakfast] [Dinner]

    Free cancellation until 24/8/2026 11:59 p.m.(JST)

    Credit card prepayment only

    Coupon

    *The discount is calculated based on the original price.

    Enjoy the great nature of Unzen and the natural hot spring 'Beauty Skin Water'. Enjoy a moment of healing for both your heart and body. ~Banquet course featuring local ingredients~ This is a banquet cuisine course featuring 'Unzen Ikiiki Pork,' healthily raised at the foot of Unzen, as the main dish, along with fresh seafood and vegetables from Nagasaki Prefecture, including the Shimabara Peninsula. Dinner Information <Unzen Colorful Banquet Cuisine> ------------------------------ [Dinner Venue] 2nd Floor Dining Hall [Dinner Time] 18:00 / 19:00 ------------------------------ Breakfast Information The set menu 'Breakfast Meal' will be provided. ------------------------------ [Breakfast Venue]2nd Floor Dining Area [Breakfast Hours]7:00 / 8:00 / 9:00 ------------------------------ <Dinner Notes> Elementary school children's meals will be a children's menu. If you wish for the same dinner content as adult guests, please contact us. <Room Amenities> Indoor wear (samue) toothbrush towels & bath towels electric kettle TV (free) full-facility Wi-Fi (free) toilet with bidet <About Toddler Fees> Bed-sharing w/guardian for young children (without meals or futon) is free of charge. If you wish to include meals or a futon, please select the applicable option (for an additional fee). *The food images are for illustration purposes only. Menu content is subject to seasonal changes. *The benefits of Rakuten Travel cannot be combined with other company benefits or similar offers. We appreciate your understanding in advance.

    Seasonal SaleFlash Coupon
    S$236.22
    S$277.90
    14% Off
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free parking
    • Seasonal cuisine
    • Free colorful rental yukata
    Meals
    • Breakfast
    • Dinner
    Plan restrictions
    • Credit card prepayment only
    Cancellation policy
    Free cancellation deadline
    24/8/2026 11:59 p.m. (JST)
    3 day(s) before your stay (from 00:00) (JST)
    20%
    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 1/4/1950) (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.

  • [Dinner example] Nagasaki Wagyu beef and seasonal kaiseki course *Image (may change depending on the season)
    Free cancellation until 24 Aug
    Meal
    Free parking
    Seasonal cuisine
    Free colorful rental yukata
    Breakfast
    Seasonal SaleFlash Coupon
    Credit card prepayment only
    Price for:
    1 night
     | 
     | 
    -14%
    S$310.03
    S$263.53
    Taxes & fees incl.

    Coupon

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

    [1 Night, 2 Meals Included] Nagasaki Wagyu and Seasonal Banquet Cuisine [Breakfast] [Dinner]

    Free cancellation until 24/8/2026 11:59 p.m.(JST)

    Credit card prepayment only

    Coupon

    *The discount is calculated based on the original price.

    *This plan includes dinner and breakfast. Relax your mind and body amidst the great nature of Unzen and the natural hot spring 'beautiful skin water'. Enjoy a moment of healing for both your heart and body. ~Enjoy Nagasaki Wagyu and seasonal ingredients~ Carefully raised in the great outdoors nurtured by a warm climate, Nagasaki Wagyu is the main feature, You can enjoy dishes using local ingredients in this popular multi-course course. Dinner Information <Nagasaki Wagyu and Seasonal Banquet Cuisine> ------------------------------ [Dinner Venue] 2nd Floor Dining Hall [Dinner Time] 18:00 / 19:00 ------------------------------ *The food images are for illustration purposes only. Menu items may be subject to change depending on the season or other factors. Breakfast Information The set menu 'Breakfast Meal' will be provided. ------------------------------ [Breakfast Venue]2nd Floor Dining Area [Breakfast Hours]7:00 / 8:00 / 9:00 ------------------------------ <Dinner Notes> Meals for elementary school children and toddlers (with meals provided) will be a children's menu. If you wish for the same dinner content as adult guests, please contact us. (Additional charges will apply) <Room Amenities> Indoor wear (samue) toothbrush towels & bath towels electric kettle TV (free) full-facility Wi-Fi (free) toilet with bidet *The food images are for illustration purposes only. Menu items may be subject to change depending on the season or other factors.

    Seasonal SaleFlash Coupon
    S$263.53
    S$310.03
    14% Off
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free parking
    • Seasonal cuisine
    • Free colorful rental yukata
    Meals
    • Breakfast
    • Dinner
    Dining locations
    • Dinner (restaurant)
    • Breakfast (restaurant)
    Plan restrictions
    • Credit card prepayment only
    Cancellation policy
    Free cancellation deadline
    24/8/2026 11:59 p.m. (JST)
    3 day(s) before your stay (from 00:00) (JST)
    20%
    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 1/4/1950) (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.

  • [Dinner example] Seasonal special kaiseki course *Image (may change depending on the season)
    Free cancellation until 24 Aug
    Meal
    Breakfast
    Dinner
    Seasonal SaleFlash Coupon
    Price for:
    1 night
     | 
     | 
    -14%
    S$342.16
    S$290.84
    Taxes & fees incl.

    Coupon

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

    [1 Night, 2 Meals Included] Recommended by the Head Chef! Seasonal Special Banquet Cuisine [Breakfast] [Dinner]

    Free cancellation until 24/8/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    Enjoy the great nature of Unzen and the natural hot spring 'Beauty Skin Water'. Enjoy a moment of healing for both your heart and body. ~Savor Nagasaki Wagyu and carefully selected treasures from the sea Exclusive banquet cuisine recommended by the head chef~ Enjoy the rare Nagasaki Wagyu, nurtured with care under the blessings of nature, and the fresh seafood from Nagasaki, known as the 'fish prefecture,' in the exclusive banquet cuisine recommended by the head chef. Seasonal dishes that bring out the best in each ingredient brighten your evening journey. Relish the flavors of the season to your heart's content, showcasing the brilliance of masterful culinary skills. Dinner Information <Seasonal Special Banquet Cuisine> ------------------------------ [Dinner Venue] 2nd Floor Dining Hall [Dinner Time] 18:00 / 19:00 ------------------------------ Breakfast Information The set menu 'Breakfast Meal' will be provided. ------------------------------ [Breakfast Venue]2nd Floor Dining Area [Breakfast Hours]7:00 / 8:00 / 9:00 ------------------------------ <Dinner Notes> Elementary school children's meals will be a children's menu. If you wish for the same dinner content as adult guests, please contact us. (Additional charges will apply) <Room Amenities> Indoor wear (samue) toothbrush towels & bath towels electric kettle TV (free) full-facility Wi-Fi (free) toilet with bidet <About Toddler Fees> Bed-sharing w/guardian for young children (without meals or futon) is free of charge. If you wish to include meals or a futon, please select the applicable option (for an additional fee). *The food images are for illustration purposes only. Menu content is subject to seasonal changes. *The benefits of Rakuten Travel cannot be combined with other company benefits or similar offers. We appreciate your understanding in advance.

    Seasonal SaleFlash Coupon
    S$290.84
    S$342.16
    14% Off
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    24/8/2026 11:59 p.m. (JST)
    3 day(s) before your stay (from 00:00) (JST)
    20%
    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 1/4/1950) (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 (Stylish Japanese-style room No bath)

No smoking
33 m²
1–3 guests
Room facilities
  • Toilet available, no bath
  • Electronic kettle
  • Refrigerator
  • Wi-Fi in room (free)
Amenities
  • Toothbrush sets
  • Bath towels
  • Face towels
  • Tissues
  • Slippers
  • Hair dryers
No smoking
39 m²
2–3 guests
Room facilities
  • Toilet available, no bath
  • Electronic kettle
  • Refrigerator
  • Wi-Fi in room (free)
  • Toothbrush sets
  • Bath towels
  • [Dinner example] Unzen Colorful Kaiseki Course *Image (may change depending on the season)
    Free cancellation until 24 Aug
    Meal
    Free parking
    Seasonal cuisine
    Free colorful rental yukata
    Breakfast
    Seasonal SaleFlash Coupon
    Credit card prepayment only
    Price for:
    1 night
     | 
     | 
    -15%
    S$285.93
    S$243.04
    Taxes & fees incl.

    Coupon

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

    [One night with two meals] Seasonal banquet cuisine featuring Unzen's vibrant flavors [Breakfast] [Dinner]

    Free cancellation until 24/8/2026 11:59 p.m.(JST)

    Credit card prepayment only

    Coupon

    *The discount is calculated based on the original price.

    Enjoy the great nature of Unzen and the natural hot spring 'Beauty Skin Water'. Enjoy a moment of healing for both your heart and body. ~Banquet course featuring local ingredients~ This is a banquet cuisine course featuring 'Unzen Ikiiki Pork,' healthily raised at the foot of Unzen, as the main dish, along with fresh seafood and vegetables from Nagasaki Prefecture, including the Shimabara Peninsula. Dinner Information <Unzen Colorful Banquet Cuisine> ------------------------------ [Dinner Venue] 2nd Floor Dining Hall [Dinner Time] 18:00 / 19:00 ------------------------------ Breakfast Information The set menu 'Breakfast Meal' will be provided. ------------------------------ [Breakfast Venue]2nd Floor Dining Area [Breakfast Hours]7:00 / 8:00 / 9:00 ------------------------------ <Dinner Notes> Elementary school children's meals will be a children's menu. If you wish for the same dinner content as adult guests, please contact us. <Room Amenities> Indoor wear (samue) toothbrush towels & bath towels electric kettle TV (free) full-facility Wi-Fi (free) toilet with bidet <About Toddler Fees> Bed-sharing w/guardian for young children (without meals or futon) is free of charge. If you wish to include meals or a futon, please select the applicable option (for an additional fee). *The food images are for illustration purposes only. Menu content is subject to seasonal changes. *The benefits of Rakuten Travel cannot be combined with other company benefits or similar offers. We appreciate your understanding in advance.

    Seasonal SaleFlash Coupon
    S$243.04
    S$285.93
    15% Off
    Taxes & fees incl.
    2 guests 1 night 1 room
    Plan benefits
    • Free parking
    • Seasonal cuisine
    • Free colorful rental yukata
    Meals
    • Breakfast
    • Dinner
    Plan restrictions
    • Credit card prepayment only
    Cancellation policy
    Free cancellation deadline
    24/8/2026 11:59 p.m. (JST)
    3 day(s) before your stay (from 00:00) (JST)
    20%
    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 1/4/1950) (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.

  • [Dinner example] Seasonal special kaiseki course *Image (may change depending on the season)
    Free cancellation until 24 Aug
    Meal
    Breakfast
    Dinner
    Seasonal SaleFlash Coupon
    Price for:
    1 night
     | 
     | 
    -14%
    S$350.19
    S$297.67
    Taxes & fees incl.

    Coupon

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

    [1 Night, 2 Meals Included] Recommended by the Head Chef! Seasonal Special Banquet Cuisine [Breakfast] [Dinner]

    Free cancellation until 24/8/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    Enjoy the great nature of Unzen and the natural hot spring 'Beauty Skin Water'. Enjoy a moment of healing for both your heart and body. ~Savor Nagasaki Wagyu and carefully selected treasures from the sea Exclusive banquet cuisine recommended by the head chef~ Enjoy the rare Nagasaki Wagyu, nurtured with care under the blessings of nature, and the fresh seafood from Nagasaki, known as the 'fish prefecture,' in the exclusive banquet cuisine recommended by the head chef. Seasonal dishes that bring out the best in each ingredient brighten your evening journey. Relish the flavors of the season to your heart's content, showcasing the brilliance of masterful culinary skills. Dinner Information <Seasonal Special Banquet Cuisine> ------------------------------ [Dinner Venue] 2nd Floor Dining Hall [Dinner Time] 18:00 / 19:00 ------------------------------ Breakfast Information The set menu 'Breakfast Meal' will be provided. ------------------------------ [Breakfast Venue]2nd Floor Dining Area [Breakfast Hours]7:00 / 8:00 / 9:00 ------------------------------ <Dinner Notes> Elementary school children's meals will be a children's menu. If you wish for the same dinner content as adult guests, please contact us. (Additional charges will apply) <Room Amenities> Indoor wear (samue) toothbrush towels & bath towels electric kettle TV (free) full-facility Wi-Fi (free) toilet with bidet <About Toddler Fees> Bed-sharing w/guardian for young children (without meals or futon) is free of charge. If you wish to include meals or a futon, please select the applicable option (for an additional fee). *The food images are for illustration purposes only. Menu content is subject to seasonal changes. *The benefits of Rakuten Travel cannot be combined with other company benefits or similar offers. We appreciate your understanding in advance.

    Seasonal SaleFlash Coupon
    S$297.67
    S$350.19
    14% Off
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    24/8/2026 11:59 p.m. (JST)
    3 day(s) before your stay (from 00:00) (JST)
    20%
    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 1/4/1950) (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

Triple room, Non-smoking (Japanese-Style Superior Room with 3 Beds (No Bath))

No smoking
39 m²
2–3 guests
Room facilities
  • Toilet available, no bath
  • Electronic kettle
  • Refrigerator
  • Wi-Fi in room (free)
Amenities
  • Toothbrush sets
  • Bath towels
  • Face towels
  • Tissues
  • Slippers
  • Hair dryers