Thousand years of hot spring, so is Yama Onsen.

It is a beautiful famous hot spring nurtured in an eternal history.It is said that it originated from Kobo Daishi in the distant Heian period.
Please enjoy a moment of relaxation that gently fills your mind and body in the tranquility of the lush green Sodayama.

Notice of maintenance and day-trip hot spring business hours change

  • Notice of one-day hot spring holiday due to boiler maintenance(Closed on June 22nd)

    Due to boiler maintenance, we will be closed on June 22nd.
    We apologize for the inconvenience, but thank you for your support.
  • Notice of maintenance and day-trip hot spring business hours change

    Due to maintenance every Thursday, day trip hot springs are available from 15:00.

    We apologize for the inconvenience, but thank you for your understanding.

    Schedule may change during long holidays such as New Year and Obon

Notice of National Travel Support Extension(April 1st to July 14th, 2023)

  • Notice of National Travel Support Extension(From April 1, 2023 to July 14)※Not covered by GW

    【Target period】
    From April 1, 2023 to July 14, 2023
    【Travelers eligible for the campaign】
    Those residing in Japan
    【Campaign overview】
    ①Travel/accommodation discount:Up to 20% discount per person (per night)
    (Upper limit 3,000 yen)
    ② Coupon distribution:2,00 yen per person (overnight) on weekdays,1,000 yen on holidays

    ※We are no longer accepting new applications as we have reached capacity.


Google Map

Hotel Name



1122 Sodayamaotsu, Susaki City, Kochi Prefecture

Telephone number



About 5 minutes by car from Aso Station

There is a pick-up service(Reservations are required in advance)
Aso Station
Go to the traffic access page

The legend of Sodayama Onsen was broadcast in the Tosa story of Kochi Broadcast.

Sodayama Onsen, the passion of Sodayama Onsen

  • Heart, the kindness of relaxing hot water.

    Mineral Ion hot springs from the majestic the foot of Mt Soda of the foot of Mt Soda are proud of Shikoku only hot water and excellent spring quality.
    There are various ways to enjoy, such as carefully selected sushi no yu, as well as an outdoor bath, a Tubu Bath, and a relaxing and relaxing inner bath.As a famous hot spring that fosters health and beautiful skin, the gentleness of soothing pure water enthralls many customers inside and outside the prefecture.
  • Taste of the season to fill your heart.

    From the famous mountain whale hot pot in winter, wild vegetables in spring, and fresh seafood from the famous Susaki Port of Susaki Port the fresh seafood of Susaki Port, the abundance of seasonal flavors will gently fill the hearts of visitors.
  • The enjoyment of a lodging tasting relaxedly.

    Staying in tune with the style of the trip, such as quiet apartment accommodation and Japanese style room with unpretentious atmosphere.This is the “Yawaragi” mountain hot spring that can be enjoyed by anyone with family and friends.

Reserve·Contact us

Please feel free to contact us if you have any questions.


Inquiry reception time from 11:00 to 21:00 ※It may be difficult to connect depending on the time.