Open-air bath with milky white sprinkle for beautiful skin, Seiunso【official website】

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Bright and sophisticated guestrooms surrounded by great nature.

All guestrooms are universal design.
Rooms are spacious and well equipped.
Equipped with free Wi-Fi, air purifier/humidifier..


Fine cuisine in a calm atmosphere

Hearty dishes of Japanese and western foods


We can respond to
various sizes and needs.

Six banquet rooms of different sizes will suit various types of meetings and parties.


Feel the nature of four seasons
in our outdoor hot spring baths.

There are a number of hot springs in Japan that claim themselves "Gensen Kakenagasi*", but real ones are rare.
Seiunso is one of the few hot springs that meet tough Gensen Kakenagashi conditions. Please enjoy our high quality hot spring water.


Introducing attractions of Seiunso from our official Instagram account.