Semi Onsen

Discovered by Benkei, a Warrior Monk! Well-established Hot Spring with Steam Bath

Introduction of Hot Springs (Onsen)

Semi Onsen is located along River Oguni in Mogami area of Yamagata that runs through the foot of mountains.
It used to be packed with many visitors for therapeutic spa treatments during Meiji period (1868 -1912) and you can still enjoy its retro atmosphere.

It is a high-class therapeutic hot spring resort visited by Japanese Royal families including former and current Emperors and Empresses, and prince and princess Akishinomiya.

This hot spring is blessed with many sightseeing spots you can enjoy with nature including Yana Tea House that serves freshly barbequed Ayu sweetfish, the promenade called “Iyashi no Sanpomichi” and excursion boat tour on River Mogami.

Effects and characteristics of Hot Springs

Semi Onsen was discovered by Benkei (1155-1189) when the party of Yoshitsune Minamoto was escaping from its opponent party of Yoritomo Minamoto in 1187.
It is chloride sulfate spring that is effective on neuralgia, fatigue, female disorders, etc.

You can experience steam bathing in addition to indoor and open-air baths at the public spa facility “Semi no Yu” that opened in 2016.

In the steam bath, steams of hot spring water come up though the holes of the wooden floor, and it is recommended to apply steam to your body part(s) that needs to be healed.

Although hot spring water temperature at its source is high, it is cooled down to the right temperature with the bamboo cooling device.
  • Spring Qualities

    Chloride hot-spring Sulfate hot-spring
  • Efficacy

    Neuralgia Frozen shoulder Bruises Muscle stiffness Cuts Chronic eczema


Access by public transportation.

Approx. 15 min walk from Semi Onsen Station

Access by car

Approx. 20 min driving from Shinjo IC

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