Hot Springs and Thermal Springs
There are three types of baths with natural hot spring water: cave bath, open-air bath, and indoor bath.
There are also three types of saunas with different themes. The sulfate springs unique to Amagi Yugashima Onsen
are known for their high moisturizing effect and are called "beautiful skin water."
The hot springs and saunas, surrounded by the natural beauty of Izu, deeply soothe your daily fatigue.
source
Otaki hot spring source (owned by the company) Yugashima No. 28
Kamaishi hot spring source (owned by the company) Yugashima No. 18
Nishihiraizumi (owned by the property district) Yugashima No. 29
Flow rate: Approximately 155L per minute
Hot spring water quality
Calcium and sodium sulfate hot springs
(hypotonic, weakly alkaline, high temperature hot spring)
Tengu no Yu (thermal spring)
An open-air bath overlooking the Izu mountains and the Kano River
A cave bath enveloped in steam
A sauna with a high heat retention design where hot spring water flows in is also available,
allowing you to fully enjoy your bathing experience.
From September 13, 2025, it will be renovated into a mixed-gender thermal spring where swimsuits or bathing suits are required.
Tsuki no yu - indoor bath
A spacious indoor bath with sunlight filtering through the trees
The sauna at the end of the passage where you can feel the four seasons is
crafted by industry leader Dai Matsuo
You can enjoy the tasteful design reminiscent of a tea room.
*Please note that the sauna alternates between male and female use depending on the time of day.
Hoshi no yu - open air bath
An open-air bath embraced by nature
While listening to the sound of the stream,
You can enjoy a luxurious moment.
*There is a gender switch at certain times of the day.
Hours
- 15:00-24:00: Tsuki no Yu (Men's Bath), Hoshi no Yu (Women's Bath), Tengu no Yu (Mixed Bathing)
05:00-11:00: Hoshi no Yu (Men's Bath), Tsuki no Yu (Women's Bath), Tengu no Yu (Mixed Bathing)