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登録有形文化財の宿 名泉鍵湯 奥津荘 OkutsuSo

OkutsuSo / Okayama Tsuyama・Mimasakamiyu・Hiruzen 29

Countermeasures for COVID-19

  • Hand sanitizer provided
    Hand sanitizer provided
  • Disinfection
  • Ventilation
  • Ensure Social Distancing
    Ensure Social Distancing
  • Guidelines for employees
    Guidelines for employees
  • Guidelines for guests
    Guidelines for guests

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Okutsuso is located on the Okutsu Hot Springs of Okayama where it was established more than 80 years ago. The inn was renovated in 2004 without altering the foundation from 1927. The natural water called "Kagiyu" is the pride of this inn.

Legend has it that 400 years ago, Tadamasa Mori, a lord of Tsuyama at the time, placed a guard on these hot springs and locked them away from the general public. The name Kagiyu ("locked bath") comes from this legend.

Shiko Munakata himself was also said to have loved these waters and left many of his works in Okutsuso. The appeal of Kagiyu, so intense as to inspire jealousy, remains untarnished today.

Because the hot springs comes from the ground directly into the baths of Okutsuso, guests can experience the natural hot spring waters that have never before touched the open air. Furthermore, because the waters emerge from the ground at 42.6 degrees Celsius, there is no heating or dilution. Enjoy these waters whenever you want and as many times as you want all day and night.

All cooking is handmade with care, infused with the warmth and ease of the countryside for a comfortable meal.

The local cuisine, featuring Sakushu beef, is particularly special. It is unmistakably an unforgettable taste. Though it is beef, it is unexpectedly light so that you need not hesitate to enjoy a bath after dinner.

Seasonal flowers welcome you in the lobby, offering a touch of the abundant nature of Okutsu. The coffee available in the cafe lounge, made from Kagiyu waters, is also delicious.

There are a variety of room types from traditional Japanese to modern Japanese for your comfort. With the changes in the trees, grass and flowers outside the windows, the possible combinations of room and scenery are infinite. These are rooms that you will want to return to season after season to experience the full range of those variations.

This inn exists quietly while keeping traditions. Experience an adult hot spring vacation in an inn that touches on these aesthetics.      
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  • Rooms (-)
  • Plan (-)


Relux grade

Accommodations that represent their respective local regions and that are worth visiting despite the distance.

Overall Rating(21 reviews)


















Other Facilities4.2/5

Mr./Ms. H.T(Private)

Total points

Stayed in

Room type


Classic Japanese room by the courtyard


I brought an old pamphlet, and I was glad that it was more than I expected. This is my favorite ryokan.

Read in English

Mr./Ms. M.T(62)

Total points

Stayed in

Room type


Japanese-modern Western room

お世話になり、有難うございました。ホームページや、rlxの紹介ページで見たとおりの素敵なお宿でとても満足出来ました。落ち着いてゆったりとした時間を過ごせましたし、お料理も本当に美味しく戴きました。デザートは部屋で食べられるというサービスも良... Read more お世話になり、有難うございました。ホームページや、rlxの紹介ページで見たとおりの素敵なお宿でとても満足出来ました。落ち着いてゆったりとした時間を過ごせましたし、お料理も本当に美味しく戴きました。デザートは部屋で食べられるというサービスも良かったです。沢山のお料理でお腹いっぱいになったので、後でお部屋でゆっくり戴きました。温泉のお湯がとても滑らかで、肌がツルツルです。他の人と被らず入れたので、ゆっくりと堪能しました。とても嬉しかったです。帰りの車で本当に行って良かった!と話しながら帰りました。有難うございました。

Thank you for your assistance. I was very satisfied with the wonderful accommodation I saw on the homepage and the introduction page of rlx. I had a calm and relaxed time, and the food was really delicious. The service that the dessert can be eaten in the room was also good. I was full of food, so I went to my room later. The hot water of the hot spring is very smooth and the skin is smooth. I enjoyed it slowly because I put it in with other people. I was very happy. It was good to go by car of return really! I went back home talking. Thank you.

Read in English

Mr./Ms. E.K(74)

Total points

Stayed in

Room type


Classic Japanese room

온천에 관하여는 더없이 만족하나 주변환경(편의시설 및 식당등)이 너무 삭막하여 주간시간대에 보내기가 막막함. 료칸자체에는 매우만족 하였슴.

I am very satisfied with the hot spring, but the surroundings (amenities, restaurants, etc.) are too sloppy to spend in the weekdays. We were very satisfied with the ryokan itself.

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48 Okutsu‎, Kagamino-chō, Tomata-gun, Okayama [View map]

check-in / check-out time

15:00 / 10:00

CI/CO time may be different depending on plan.

Credit card


Number of guest rooms

8 room(s)


Please contact the hotels/ryokans directly for more details.
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-The miracle hot spring-
Okutsuso's hot spring wells up into the baths from the ground without touching air, allowing you to experience a truly natural hot spring bath. 
Though there are many hot springs around the country, this is one of the very few locations where you can experience the hot springs in this way. 
Even Lord Tsuyama once wished to keep these waters to himself, clearly having recognized how Kagiyu is different from other hot springs.
※The water is naturally at 42.6 degrees Celsius, meaning it is neither heated nor is there cold water added. It is truly a natural hot spring. Therefore, we offer you the opportunity to bathe whenever you like.
・Open air bath in guest rooms
・Gender-segregated public baths (Kagiyu and standing bath)
・2 different private baths
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Other facility information

Please contact the hotels/ryokans directly for more details.
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Please contact the hotels/ryokans directly for more details.
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-The price of this plan does not include bathing tax (150 yen).

-Last check-in time is 7:00pm. Please make sure to arrive before 7:00pm.

-We only accept guests of middle school age and above.

-When making a booking, please inform us in comment section of (1) food allergies and (2) means of arrival (personal car, rental car, bus, taxi, etc.).
*If your arrival is late, we will not be able to prepare your dinner, so please arrive by 7:00pm.
*Guests staying in separate buildings can elect to eat in the dining room or in their own rooms. (There are additional service charges if you choose to eat in your room.)
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  • Bath tax
  • Children allowed
  • Room service
  • Transportation service
  • Parking area
  • Hot spring
  • Fresh hot spring
  • Room with outdoor spa
  • Public spa
  • Private spa
  • Indoor pool
  • Outdoor pool
  • Esthe/Spa facility
  • Fitness facility
  • Barrier free
  • 5 min walk from station
  • Pets allowed
  • Breakfast in room
  • Dinner in room
  • Open air bath
  • Night view
  • Ocean view
  • Cottage
  • Coupon

The accommodation features are general descriptions of the facility. The amenities and breadth of service will differ between each accommodation. For details, please confirm directly with the accommodation.


Access by public transportation.

-From Okayama Airport, approx. 1hr 20min by car.
-From JR Tsuyama Station, approx. 60min by Chutetsu Bus (see time table from Tsuyama to Okutsu Onsen)
-From Osaka, 2hr 50min by Chugoku Highway Bus to Tsuyama (departs from west exit of Osaka Station every 30min). Transfer to local bus in Tsuyama for a further approx. 60min.

From OSAKA: express bus
-Departs Osaka (Bentencho), towards Kurayoshi (disembark at Okutsu Onsen-guchi)

48 Okutsu‎, Kagamino-chō, Tomata-gun, Okayama

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