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Hot Springs

Iwaki Yumoto Hot Springs Onsen, a well-known hot spring with a history.

Iwaki Yumoto Hot Springs, which you can enjoy at the hotel, is a rare sulfur fountain nationwide.
Please enjoy the relaxing hot water in the Japanese garden reflecting the taste of the four seasons.
  • Garden outdoor bath "Bamboo forest"(mixed bathing)

       Shintsuta offers a fully-released environment where you can enjoy fresh hot water. Especially recommended is a garden outdoor bath "bamboo forest" which is taken up numerous in the media to promote Fukushima prefecture.Bamboo grove is a mixed bath.

    Transfer of the four seasons - Please enjoy bathing while feeling the breath of nature

    Hot spring bath hours
    (Mixed bath) 15:00 to 23:00/(Women only) 18:00 to 21:00
  • Large Communal Bath(By gender)

            Iwaki no Yu is a sulfur spring that is rare all over Japan "Bijin-no-yu" (beal skin action), "Shinzo-no-Yu" (effect on blood pressure decrease, arteriosclerosis / hypertension), "Netsu-no-yu" (high moisture retention) etc. ,
            It has a lot of efficacy.Please enjoy the hot water of Iwaki Yumoto Hot Springs spring where natural hot spring springs in quantity of 5 tons per minute from underground 50 meters.
            It is "Great Bathroom by Men and Women" together with Sauna · Jacuzzi.

    Iwaki Yumoto Hot Springs is called "Sahako-no-Oyu" and is one of Japan's three ancient Arima Onsen along with Dogo and Arima Onsen.

    Hot spring bath hours
    05: 00 to 01: 00
  • Private Bath

            A private bath, which was requested by customers, was newly opened in 2017.Please relax and have a private time with a couple or family.

    Source Please enjoy fresh luxury and private time.

    Hot spring bath hours
    15: 00-22: 45
    Reservation will be made in 45 minute increments
    Usage fee
    45 minutes 2,000 yen(tax included)
  • Hot Spring Qualities·User guide

Hot Springs

Iwaki Yumoto Hot Springs

Open Air Bath

Yes (There are also men and women (including time change) · Charges are not allowed)

Private Bath


Number of baths

"Outdoor bath] Man: 1 Female: 1 Mixed Bath: 1
[Inner bath] Man: 2 Female: 2 Mixed Bath: 0
[sauna] Man: 1 Female: 1 Mixed Bath: 0

Other bath facilities

Sauna / Jacuzzi

Bath Terms of Use

Public baths 1: 00 - 5: 00 - Outdoor bath from 23 o'clock until Dawn

Onsen tax

Hotspring tax adult 150 yen separately.

Hot Spring Qualities

Sulfate hot spring(Sulfur spring)

pH value

8.1(Weakly alkaline)


Sulfur-containing, sodium, chloride

Source spring temperature

About 60 degrees

Negative ion effect

relax, Stress mitigation, Regulation of autonomic nerves, Recovery from fatigue, Blood pressure drop,
Sleep, Promotion of metabolism, Blood purification, Blood enhancement, Cell activity, antioxidant effect, Increase concentration


Chronic skin diseases, chronic women's diseases, galling, diabetes, burns, weak infants, arteriosclerosis, hypertension, etc.

The source of Iwaki Yumoto Hot Springs is a natural sulfur fountain of 59 degrees Celsius boasting a discharge amount of 5 tons per minute pumped up from about 50 meters in the Joban area,
It is fully discharging type and is distributing hot water to each facility through the underground in the town.