1500 Kawakami, Yufuin-cho, Yufu City, Oita Prefecture, JAPAN 879-5102

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SOAN KOSUMOSU Travel Journal


“Soan Kosumosu” is located almost in the center of Yufuin. It is a popular ryokan among Yufuin connoisseurs, and is considered one of the top three ryokans in the area. The ryokan is located on a side street off Yunotsubo Kaido, a street lined with souvenir shops, and is ideal for strolling around the hot spring resort area. Kinrin-Ko, the symbol of Yufuin, is also within walking distance from ryokan.......

Private & Open-air Bath Reports
Private & Open-air Bath Reports

The hot spring at this ryokan is a "simple hot spring" with weak alkalinity. The amount of hot water from the in-house source is abundant, and you can enjoy bathing in the private baths and open-air guest baths with 100% free-flowing hot-spring water. You will be able to enjoy the hot water that gently soaks into your skin to your heart's content. There are two private baths in the ryokan.......

Facilities & Hot Spring Reports
Facilities & Hot Spring Reports

“Soan Kosumosu” underwent a major renovation in September 2017. Although there are no major changes in the hot spring area, the public space and guest rooms have been reborn. The new “Soan Kosumosu” was designed by Eiji Mitooka, who was in charge of the design of the luxury train "Nanatsuboshi in Kyushu.......

Guest Room Reports
Guest Room Reports

The renewal of guest rooms by designer Eiji Mitooka was more exciting than expected. I was very much looking forward to seeing how the charismatic designer, who is known for his work on "Nanatsuboshi in Kyushu", would cook up a box called a "ryokan" rather than a "train". Looking at his work to date,.....

Cuisine Reports
Cuisine Reports

The head chef at “Soan Kosumosu” is Mr.Ito. He is the fourth-generation chef. Let me introduce his dinner menu. The dinner menu at “Soan Kosumosu” is a creative kaiseki cuisine that allows you to taste the season of Yufuin. Since the interview was taken in November, the menu allows the viewer to feel both the autumn of Yufuin and the upcoming winter at the same time. Appetizer was a "Japanese yam with spinach" and "Crab with chrysanthemum jelly dressing".......

Extra Reports
Extra Reports

The ryokan is also convenient for exploring Yufuin's hot spring resort area. A five-minute walk from the ryokan is a pond called Kinrin-ko. It is defined as a "pond" because of its shallow depth, but the Yufuin basin was originally a lake, and the name "Kinrin-ko" is thought to be a remnant of that. Early in the morning in winter, the temperature difference creates a fantastic sight of fog rising from.....


Keywords for this ryokan
Six popular detached guest rooms with open-air baths.
Good location with souvenir shops of Yufuin in the vicinity.
Place to stay boasting cuisine that has many fans.
Design lead by Mr. Eiji Mitooka.
Private open-air bath with free-flowing hot-spring water.

SOAN KOSUMOSU Basic Information

Accommodation Information

Check-In 3:00 p.m.
Check-Out 11:00 a.m.
Room Views Mountain・Garden
In-room Meal Detached guest rooms are negotiable
Dinner Japanese-style kaiseki
Breakfast Japanese-style meal

Room Rates ※Rates are for 1 person when 2 people stay in 1 room (tax included)

Official website's online reservation benefits The most economical rates are available for reservations through official website.
●Official website's online reservation benefits
・Original kabosu cocktail at dinner (1 cup per person)
・Original magnet (1 cup per person)
・Ryokan use coupon worth 2000 yen (1 coupon per group)
●Repeater benefits ※Changes depending on the season
・Home-grown rice (1 cup per person)
・Original Bungo chicken miso or Bungo beef miso
Special Packages In-room meal Package, Women's Package, Anniversary Package, Special Consecutive Night Package etc. Check the Official Website for details★
Detached Guest Rooms with Open-air baths from 55,090 yen
10 mat tatami room+8 mat tatami room+Open-air bath (capacity for 4 persons)
Main Building Special Guest Room from 33,845 yen
10 mat tatami room+10 mat tatami room+8 mat tatami room(capacity for 6 persons)
Main Building Guest Room from 32,700 yen
8 mat tatami room+8 mat tatami room(capacity for 5 persons)

Facility Information

Establishment / Renovation Established in 1987 / Renovated in 2017
Number of Rooms All 12 rooms (with open-air bath, 6 rooms)
Number of People Accommodated 55 persons
Private Bath Family bath (Private Open-air Bath + Inner Bath) Bath name: “Iimori” , “Kuraki”
Charges: Free for overnight stays
Usage time: 3:00 p.m. to 11:00 p.m./ 6:30 a.m. to 10:00 a.m.
How to reserve: Reservation on the day (first come, first served)
Bath Views: Mountain・Garden
Public bath / Other Separate Open-air Baths for men and women + Inner Bath, Bath name: “Tsurumi” , “Yufu”
Usage time: 3:00 p.m. to 11:00 p.m. / 6:30 a.m. to 10:00 a.m. ※Private use during Coronavirus measures
Bath Views: Mountain・Garden
Parking Area Available for 13 cars
Pets Not Allowed
Barrier Free Supported (Main building only)
Esthetics / Massages Esthetics: from 4300 yen
Massages: 4200 yen/40 min
Internet Wi-Fi Enabled
DVD DVD Watchable
TV Channels NHK: 2 stations, Private Broadcasting: 3 stations, NHKBS: 2 stations
Facilities Kids' Restaurant, Adult Restaurant, Private Dining Room, Lounge, Sales shop, Elevator
Vending Machine Available (Juice: 120 yen)
Sales shop Available
Yukata Bath towels
Towels Soap
Body wash Shampoo
Conditioner Rinse in shampoo
Shower cap Toothbrush
Hair dryer Brush
Comb Razor blade
Cotton bud Toilet with washer

Other Service / Rental Information

Wheelchair Stair railings / Wheelchairs for free rental
Child Slippers for children / Yukata for children / Children's tableware / Hot water for powdered milk
Foreign Languages English is available

Extra Information

Recommended Souvenirs Bungo Beef in Shigure-ni( boiled in sweetened soy sauce cooked with ginger), Home-grown rice, Seasonal Fruit Pickles ※Online store available SOAN KOSUMOSU SHIKIKOUBO
Nearby Convenience Store 3min. by car
Cellular Antennas ◎docomo ◎au ◎softbank

SOAN KOSUMOSU Hot spring Information

Spring quality Weak alkaline simple hot spring (hypotonic, weak alkaline, hyperthermal springs)
Temperature of the source 51.9°C
Output rate 80 liters/per min
Hydrogen ions pH8.2
Total dissolved substances (excluding gases) 645mg/kg
Gushing of the source Private source of power pumping hot water (source pumped up by drilling)
Add water / Circulation Filtration Some section
・Open-air bath guest rooms: Free-flowing hot spring
・In-room baths guest rooms: Turn on the faucet and 100% of the spring water comes out.
・Separate baths for men and women, Open-air bath: Free-flowing hot spring + circulation filtration (no add water)
Water heating No using ※meaning 100% natural hot spring
Sterilization of bath Only in Separate baths for men and women, Open-air bath
Replacement of hot water in bathtub Once per day
Bath Additive No using
Indications by Spring Quality (Revised on July 1, 2014) Autonomic instability, Insomnia, State of depression
General Indications for Bathing (Revised on July 1, 2014) Chronic pain or stiffness of muscles or joints (chronic phase of rheumatoid arthritis, osteoarthritis, lower back pain, neuralgia, frozen shoulder, bruises, sprains, etc.), muscle stiffness in motor paralysis, excessive sensitivity to cold, peripheral nerve disorder, decline of gastrointestinal function (slow digestion, intestinal gas formation, etc.), mild high blood pressure, impaired glucose tolerance (diabetes), mild hypercholesterolemia, mild asthma or emphysema, hemorrhoid pain, autonomic instability, various symptoms from stress (sleep disorders, depression, etc.),convalescence stage of illness, recovery from fatigue, promotion of health.
Color of hot water Clear and colorless
For drinking Cannot
Indications for drinking
Smell / Taste Tasteless and odorless

SOAN KOSUMOSU Access & Nearby Information


By Train 15 min. walk from Yufuin Station on the JR Kyudaihon Line/ by car 6min.
Shuttle bus Yes (on condition): To Yufuin Station for guests only
By Car 5km from Yufuin IC on Oita Expressway

Nearby Information

Nearby Sightseeing Spots Takasaki Mountain Zoo, Umitamago, Yufuin Museum
Recreation (tourist farms, parks, etc.) Kinrin-Ko, Jojima Korakuen Amusement Park, Tsurumidake
Sports Golf
Staff messages Message from landlady Mrs.Noriko Ota

Located in the town of Yufuin, the ryokan has a quiet, woodsy atmosphere once you step inside. Please forget the rush of daily life by enjoying kaiseki cuisine using local chicken and vegetables and soaking in a relaxing hot spring bath
Date of Interview Nov. 19, 2019
Date of Information update May 10, 2023

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Article creator of this ryokan

CEO of, Inc.

For more than 30 years, he has been visiting hot spring ryokans all over Japan, persuading innkeepers of the need for "private baths". He is still a traveler who spends half of the year at a hot spring.In addition to being a article creater, photographer, and drone pilot, he also designs websites and provides consulting services.