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

Mori no Yu Sanseikan

Noboribetsu City, Hokkaido, Japan
Show on map

A quiet hot spring at Noboribetsu Karurusu Onsen. Have an adult holiday and bask in the hot springs as time trickles by nice and slow. We offer gourmet cuisine as well!

Guest review score

Excellent
Reviews: 55
4.4

Access

Noboribetsu Station
27 min drive
Tomiura Station
33 min drive
Kojohama Station
34 min drive

Property facilities

  • Parking lot
  • Vending machine
  • Shop
  • Banquet hall
  • Open-air bath (hot spring)
  • Grand bath

Explore our rooms and plans

Price (low to high)
2 room types
Japanese-style room (8 tatami mats)
No smoking
1 x Futon
139.5 ft²
Max 3 adults / 2 children
Room facilities
  • Internet available in room
  • Toilet available, no bath
  • Bidet toilet
  • Toothbrush sets
  • Razors
  • Bath towels
  • Open-air bath
    Only 5 rooms left!
    Free cancellation until Jun 12
    No meal
    Flash Coupon
    Price for:
    1 night
     | 
     | 
    $149.96
    Taxes & fees incl.

    Coupon

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

    <Room Only> Enjoy the gentle and skin-friendly soft waters at Karurusu Onsen, a hidden hot spring village in Noboribetsu. [Room only]

    Free cancellation until 6/12/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    ■Karlus Onsen, a hidden hot spring resort in Noboribetsu■ Karlus Onsen, where our hotel is located, is a hot spring resort located about 15 minutes by car from Noboribetsu hot spring town. As our hotel name "Sanseikan" suggests, the quiet natural environment and beautiful scenery away from the hustle and bustle are attractive. It is perfect for a slow-life hot spring trip where you can relax both body and mind and enjoy the hot springs and cuisine. ■Information■ Last check-in 19:00 Curfew after check-in 21:00 *Please note that there are no restaurants in the vicinity or within walking distance. *Dinner cannot be added to this plan. If you require dinner, please make a reservation with two meals included. *Convenience store 10 minutes by car *Noboribetsu Onsen city center 15 minutes by car ■Healing hot spring, Karlsus Onsen■ Karlus Onsen, the first hot spring resort in Hokkaido to be certified as a national health resort, is a hot spring resort with a long history. It is transparent, tasteless, odorless, and even drinkable. The neutral and mild ingredients are gentle on the skin and have a balancing effect. The ingredients contained in Karlus Hot Springs include calcium ions that activate moisturizing ingredients, magnesium ions that are effective in improving dry skin, metasilicic acid that helps produce ceramide, bicarbonate ions that remove dirt from pores, and free carbon dioxide that helps improve dullness. ■What is Karlus Hot Springs■ “Karls” is a famous hot spring area in Czechoslovakia. “Karlsbad” (present Karlovy Vary) The water is soft to the touch, colorless, transparent, tasteless and odorless, and drinkable. Caution when drinking: The recommended amount is about 100ml to 200ml at a time, and about 200ml to 1,000ml per day. The best time to drink is 30 minutes to an hour before a meal, and please refrain from drinking after dinner or before going to bed. ■Hot Springs■ Our hotel offers two baths: [100% free-flowing spring wate

    Flash Coupon
    $149.96
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Room only
    Cancellation policy
    Free cancellation deadline
    6/12/2026 11:59 p.m. (JST)
    7 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 10/1/2019) (Per person per night) 10%

    Excluded*

    Accommodation tax (from 4/1/2026) (Per person per night)¥100

    Bathing tax (from 4/1/1950) (Per person per night)¥300

    * 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.

  • Open-air bath
    Only 5 rooms left!
    Free cancellation until Jun 12
    Meal
    Breakfast
    Flash Coupon
    Price for:
    1 night
     | 
     | 
    $167.55
    Taxes & fees incl.

    Coupon

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

    <One night with breakfast> Start your day fresh! Gentle flavors of 'Noboribetsu' [Breakfast]

    Free cancellation until 6/12/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    ‘I don't need dinner, but I want breakfast! It is called Recommended for you Breakfast to kickstart your day, is a menu gentle on the body. Enjoy the nature-filled and meticulously crafted [Noboribetsu breakfast] Information Final check-in: 19:00 Curfew after check-in: 21:00 Please note that there are no dining establishments within walking distance or nearby areas. This plan does not allow for adding dinner. For guests who need dinner, please reserve a plan that includes two meals. Convenience store: 10 minutes by car Noboribetsu Onsen downtown: 15 minutes by car What is Karurusu Onsen? The name 'Karurusu' originates from the famous hot spring area in Czechoslovakia, ‘Karlsbad (now Karlovy Vary),’ due to its similar water quality. It was named because of the resemblance in water quality. The water is soft to the touch, colorless, transparent, tasteless, and odorless. Our facility is the 'only' place in Karurusu Onsen where drinking is allowed. Precautions for drinking: The recommended amount per intake is approximately 100ml to 200ml, The daily amount is considered to be approximately 200ml to 1,000ml. In general, drinking is best 30 minutes to 1 hour before meals, Please refrain from drinking after dinner and before bedtime. Hot Springs The hotel is [100% hot spring flow] and [water flowing from the source] Two bathtubs are available The "soft" spring quality that is gentle on the skin It warms your mind and body "slowly" In addition, there is also a "land porridge" unique to the hotel By washing head to toe, you can experience bathing effects even during cleansing. Access ・20 minutes by car from JR Muroran Main Line Noboribetsu Station. ・About 60 minutes from New Chitose Airport.  Exit at [Noboribetsu East IC] on the Central Hokkaido Expressway.

    Flash Coupon
    $167.55
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    Cancellation policy
    Free cancellation deadline
    6/12/2026 11:59 p.m. (JST)
    7 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 10/1/2019) (Per person per night) 10%

    Excluded*

    Accommodation tax (from 4/1/2026) (Per person per night)¥100

    Bathing tax (from 4/1/1950) (Per person per night)¥300

    * 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.

  • Basic Kaiseki: Seared local chicken hotpot
    Only 5 rooms left!
    Free cancellation until Jun 12
    Meal
    Breakfast
    Dinner
    Flash Coupon
    Price for:
    1 night
     | 
     | 
    $227.43
    Taxes & fees incl.

    Coupon

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

    [20% OFF][Rakuten Super SALE] Indulge in our specialty 'Local Chicken Tataki Hot Pot' to your heart's content♪ [Breakfast] [Dinner]

    Free cancellation until 6/12/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    ■Karlusu Onsen, a hidden hot spring resort in Noboribetsu■ Karlusu Onsen, where our hotel is located, is a hot spring resort located about 15 minutes by car from the hot spring town of Noboribetsu. As our hotel's name "Sanseikan" suggests, the quiet natural environment and beautiful scenery away from the hustle and bustle are attractive. It is perfect for a slow-life hot spring trip where you can relax both body and mind and enjoy the hot springs and food while "slowly," "leisurely," and "relaxing." ■Dinner■ Our hotel's "local chicken tataki nabe" is a masterpiece that has been passed down since the hotel was founded. This dish is carefully prepared by the president himself, who assesses the condition of the meat. By exquisitely combining and simmering carefully selected fresh local chicken and abundant vegetables, the flavor is concentrated, allowing you to enjoy a luxurious taste that warms both the body and the soul. We take pride in always providing the best taste and service to ensure our customers' satisfaction, and we put that feeling into every pot. Please try our proud dish. Our "local chicken tataki hotpot" has been available since the establishment of our restaurant, and is made by the president himself according to the condition of the meat. By simmering it with lots of vegetables, the sweetness increases, and it is a masterpiece that warms both the body and the soul♪ <<To our guests>> ・Meals are prepared at the dining venue. ・Available from 6:00 pm to 8:00 pm (closing time) ■Healing hot spring, Karurusu Onsen■ Karusu Onsen, the first hot spring in Hokkaido to be certified as a national health resort, is a hot spring with a long history. It is transparent, tasteless and odorless, and you can even drink the spring water. The neutral and mild ingredients are gentle on the skin and have a balancing effect. The ingredients contained in Karurusu Onsen include calcium ions that activate moisturizing ingredients, magnesium io

    Flash Coupon
    $227.43
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    6/12/2026 11:59 p.m. (JST)
    7 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 10/1/2019) (Per person per night) 10%

    Excluded*

    Accommodation tax (from 4/1/2026) (Per person per night)¥100

    Bathing tax (from 4/1/1950) (Per person per night)¥300

    * 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 ([8 tatami] ~A cozy and comfortable space~)

No smoking
1 x Futon
139.5 ft²
Max 3 adults / 2 children
Room facilities
  • Internet available in room
  • Toilet available, no bath
  • Bidet toilet
Amenities
  • Toothbrush sets
  • Razors
  • Bath towels
  • Face towels
  • Hand soap
  • Tissues
  • Slippers
  • Yukata
Japanese-style room (8 tatami mats)
Smoking
139.5 ft²
Max 3 adults / 2 children
Room facilities
  • Internet available in room
  • Toilet available, no bath
  • Bidet toilet
  • Open-air bath
    Only 2 rooms left!
    Free cancellation until Jun 12
    No meal
    Flash Coupon
    Price for:
    1 night
     | 
     | 
    $158.81
    Taxes & fees incl.

    Coupon

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

    <Room Only> Enjoy the gentle and skin-friendly soft waters at Karurusu Onsen, a hidden hot spring village in Noboribetsu. [Room only]

    Free cancellation until 6/12/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    ■Karlus Onsen, a hidden hot spring resort in Noboribetsu■ Karlus Onsen, where our hotel is located, is a hot spring resort located about 15 minutes by car from Noboribetsu hot spring town. As our hotel name "Sanseikan" suggests, the quiet natural environment and beautiful scenery away from the hustle and bustle are attractive. It is perfect for a slow-life hot spring trip where you can relax both body and mind and enjoy the hot springs and cuisine. ■Information■ Last check-in 19:00 Curfew after check-in 21:00 *Please note that there are no restaurants in the vicinity or within walking distance. *Dinner cannot be added to this plan. If you require dinner, please make a reservation with two meals included. *Convenience store 10 minutes by car *Noboribetsu Onsen city center 15 minutes by car ■Healing hot spring, Karlsus Onsen■ Karlus Onsen, the first hot spring resort in Hokkaido to be certified as a national health resort, is a hot spring resort with a long history. It is transparent, tasteless, odorless, and even drinkable. The neutral and mild ingredients are gentle on the skin and have a balancing effect. The ingredients contained in Karlus Hot Springs include calcium ions that activate moisturizing ingredients, magnesium ions that are effective in improving dry skin, metasilicic acid that helps produce ceramide, bicarbonate ions that remove dirt from pores, and free carbon dioxide that helps improve dullness. ■What is Karlus Hot Springs■ “Karls” is a famous hot spring area in Czechoslovakia. “Karlsbad” (present Karlovy Vary) The water is soft to the touch, colorless, transparent, tasteless and odorless, and drinkable. Caution when drinking: The recommended amount is about 100ml to 200ml at a time, and about 200ml to 1,000ml per day. The best time to drink is 30 minutes to an hour before a meal, and please refrain from drinking after dinner or before going to bed. ■Hot Springs■ Our hotel offers two baths: [100% free-flowing spring wate

    Flash Coupon
    $158.81
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Room only
    Cancellation policy
    Free cancellation deadline
    6/12/2026 11:59 p.m. (JST)
    7 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 10/1/2019) (Per person per night) 10%

    Excluded*

    Accommodation tax (from 4/1/2026) (Per person per night)¥100

    Bathing tax (from 4/1/1950) (Per person per night)¥300

    * 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.

  • Open-air bath
    Only 2 rooms left!
    Free cancellation until Jun 12
    Meal
    Breakfast
    Flash Coupon
    Price for:
    1 night
     | 
     | 
    $176.41
    Taxes & fees incl.

    Coupon

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

    <One night with breakfast> Start your day fresh! Gentle flavors of 'Noboribetsu' [Breakfast]

    Free cancellation until 6/12/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    ‘I don't need dinner, but I want breakfast! It is called Recommended for you Breakfast to kickstart your day, is a menu gentle on the body. Enjoy the nature-filled and meticulously crafted [Noboribetsu breakfast] Information Final check-in: 19:00 Curfew after check-in: 21:00 Please note that there are no dining establishments within walking distance or nearby areas. This plan does not allow for adding dinner. For guests who need dinner, please reserve a plan that includes two meals. Convenience store: 10 minutes by car Noboribetsu Onsen downtown: 15 minutes by car What is Karurusu Onsen? The name 'Karurusu' originates from the famous hot spring area in Czechoslovakia, ‘Karlsbad (now Karlovy Vary),’ due to its similar water quality. It was named because of the resemblance in water quality. The water is soft to the touch, colorless, transparent, tasteless, and odorless. Our facility is the 'only' place in Karurusu Onsen where drinking is allowed. Precautions for drinking: The recommended amount per intake is approximately 100ml to 200ml, The daily amount is considered to be approximately 200ml to 1,000ml. In general, drinking is best 30 minutes to 1 hour before meals, Please refrain from drinking after dinner and before bedtime. Hot Springs The hotel is [100% hot spring flow] and [water flowing from the source] Two bathtubs are available The "soft" spring quality that is gentle on the skin It warms your mind and body "slowly" In addition, there is also a "land porridge" unique to the hotel By washing head to toe, you can experience bathing effects even during cleansing. Access ・20 minutes by car from JR Muroran Main Line Noboribetsu Station. ・About 60 minutes from New Chitose Airport.  Exit at [Noboribetsu East IC] on the Central Hokkaido Expressway.

    Flash Coupon
    $176.41
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    Cancellation policy
    Free cancellation deadline
    6/12/2026 11:59 p.m. (JST)
    7 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 10/1/2019) (Per person per night) 10%

    Excluded*

    Accommodation tax (from 4/1/2026) (Per person per night)¥100

    Bathing tax (from 4/1/1950) (Per person per night)¥300

    * 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.

  • Basic Kaiseki: Seared local chicken hotpot
    Only 2 rooms left!
    Free cancellation until Jun 12
    Meal
    Breakfast
    Dinner
    Flash Coupon
    Price for:
    1 night
     | 
     | 
    $235.29
    Taxes & fees incl.

    Coupon

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

    [20% OFF][Rakuten Super SALE] Indulge in our specialty 'Local Chicken Tataki Hot Pot' to your heart's content♪ [Breakfast] [Dinner]

    Free cancellation until 6/12/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    ■Karlusu Onsen, a hidden hot spring resort in Noboribetsu■ Karlusu Onsen, where our hotel is located, is a hot spring resort located about 15 minutes by car from the hot spring town of Noboribetsu. As our hotel's name "Sanseikan" suggests, the quiet natural environment and beautiful scenery away from the hustle and bustle are attractive. It is perfect for a slow-life hot spring trip where you can relax both body and mind and enjoy the hot springs and food while "slowly," "leisurely," and "relaxing." ■Dinner■ Our hotel's "local chicken tataki nabe" is a masterpiece that has been passed down since the hotel was founded. This dish is carefully prepared by the president himself, who assesses the condition of the meat. By exquisitely combining and simmering carefully selected fresh local chicken and abundant vegetables, the flavor is concentrated, allowing you to enjoy a luxurious taste that warms both the body and the soul. We take pride in always providing the best taste and service to ensure our customers' satisfaction, and we put that feeling into every pot. Please try our proud dish. Our "local chicken tataki hotpot" has been available since the establishment of our restaurant, and is made by the president himself according to the condition of the meat. By simmering it with lots of vegetables, the sweetness increases, and it is a masterpiece that warms both the body and the soul♪ <<To our guests>> ・Meals are prepared at the dining venue. ・Available from 6:00 pm to 8:00 pm (closing time) ■Healing hot spring, Karurusu Onsen■ Karusu Onsen, the first hot spring in Hokkaido to be certified as a national health resort, is a hot spring with a long history. It is transparent, tasteless and odorless, and you can even drink the spring water. The neutral and mild ingredients are gentle on the skin and have a balancing effect. The ingredients contained in Karurusu Onsen include calcium ions that activate moisturizing ingredients, magnesium io

    Flash Coupon
    $235.29
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    6/12/2026 11:59 p.m. (JST)
    7 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 10/1/2019) (Per person per night) 10%

    Excluded*

    Accommodation tax (from 4/1/2026) (Per person per night)¥100

    Bathing tax (from 4/1/1950) (Per person per night)¥300

    * 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 (~A serene space for couples and married pairs~ [8 tatami])

Smoking
139.5 ft²
Max 3 adults / 2 children
Room facilities
  • Internet available in room
  • Toilet available, no bath
  • Bidet toilet