
Our own hot spring,your time to unwind.
Enjoy Masudaya’s own natural hot spring in Shiobara, with indoor baths on the sixth floor and an open-air bath on the seventh.
Water that rises here,enjoyed right here.

Masudaya’s spring rises within the grounds. Enjoy its natural warmth in the bath.
Our own spring emerges at around 68°C and flows through the baths. Relax to the sound of the water.
- Spring source
- Our own “Masudaya Spring”
- Source temperature
- Around 68°CThis is the temperature at the source, not the bath temperature.
- Spring type
- Hydrogen carbonate spring / sodium-calcium chloride spring
- Indications
- Bruises, muscle pain and recovery from fatigue
- Baths
- Communal baths, open-air baths and private-use baths
The sound of water,the play of ripples.
6F Indoor bath
Natural light fills the sixth-floor indoor bath through large windows. Settle into the warm water and enjoy the greenery outside and the sound of flowing water.
On a clear night,look up to the stars.
7F Open-air bath
Enclosed by walls and open to the sky, the seventh-floor open-air bath offers a quiet soak in daylight or beneath the stars on a clear night.
Bathing information
- Location
- Indoor baths: 6F; open-air bath: 7F
- Bathing & private use
- Please call before your stay to confirm bathing hours and whether private use is available, including times, fees and procedures.
- Getting around the inn
- Please call to discuss steps, handrails or other access needs on the way to the baths.



