Hot spring

CONCEPT Soak in the finest hot springs,
A moment of bliss

While alkaline water with skin-beautifying properties is said to have a pH of 7.5 or higher, Kashoen's water boasts a pH of 8.9 .
The water is gentle and allows moisture to easily penetrate the body, so you can bathe multiple times and enjoy both the indoor bath and the open-air cypress bath.

Large public bath
simmering hot water

Soak in the moist and smooth private hot spring water, A moment of bliss

Kashoen's hot springs have a smooth texture and are said to be effective against neuralgia, muscle pain, and beautiful skin.

bathing time 13:00 to 11:00 the following day
*Tuesday Men's indoor bath 15:00~
*Thursday Women's indoor bath 15:00~
(Bathing is unavailable between 1:00 AM and 3:00 AM due to cleaning and disinfection.)
Sauna (80℃) 13:00-24:00 / 5:00-10:00

Hinoki open-air bathOPEN - AIR BATH

Relax in an open-air cypress bath where you can become one with nature.

The beautiful scenery of Taichuan with its changing seasons and the refreshing mountain air.
A smooth, skin-friendly hot spring for beautiful skin.
Kashoen has hot springs that soothe people.

bathing time 13:00 to 11:00 the following day
*Tuesday Men's open-air bath 15:00~
*Thursday: Women's open-air bath from 15:00
(Bathing is unavailable between 1:00 AM and 3:00 AM due to cleaning and disinfection.)

Kashoen's hospitality

  • "ReFa" brand hair dryer (women's large bath)

  • shampoo bar

  • towel set

Bath towels and face towels are provided in the large public bath, so you can feel free to come into the bath empty-handed.
We also have a shampoo and body soap bar, which our guests will appreciate.
Hairdryers from the popular beauty brand "ReFa" are available for use in the women's large bath.

Rest area after bathing

The changing scenery that spreads outside the window, Create healing and peace

If you have a hectic time after bathing, the real pleasure of hot springs will be halved. Here is the time when the sweat will subside comfortably.
You can enjoy a relaxing moment by taking in the scenery outside the window as a borrowed view.

Supplement drink corner

We have a supplement drink corner where you can ideally replenish 11 types of vitamins.

Hot spring overview

Spring quality/efficacy

Highly concentrated alkaline hot water for beautiful skin

It is colorless, transparent, tasteless, odorless, and has a smooth texture.
With a highly alkaline pH of 8.9, the water is known as "beautiful skin water" and is also characterized by its long-lasting warmth.

Source name Hanamaki Onsen (Taigawa no Yu)
Spring quality Sodium sulfate and chloride spring (hypotonic alkaline hot spring) pH: 8.9
59.8℃ (Temperature at time of survey: 30℃ Weather: Sunny)
39 liters/min (powered water pumping) 60mm diameter submersible pump 7.5kw
Indications (bath use) Rheumatoid arthritis, osteoarthritis, low back pain, neuralgia, frozen shoulder, bruises, sprains, muscle stiffness due to motor paralysis, decreased gastrointestinal function, mild hypertension, diabetes, mild cholesterolemia, mild asthma or emphysema, hemorrhoid pain, Autonomic nervous system instability, various symptoms caused by stress, post-illness recovery period, fatigue recovery, health promotion
Provided form In order to keep the hot spring water at an appropriate temperature and clean, we use a combination of continuous flow and circulation filtration.
About disinfection We use chlorine-based chemicals to keep the water clean at all times.

hot spring analysis book

overview
Source name Hanamaki Onsen (Taigawa no Yu) *Kashoen
spring source 125-34, Yumoto No. 1, Hanamaki City, Iwate Prefecture
Applicant Hanamaki Onsen Co., Ltd. President and CEO Toshiya Tanabe
Spring quality Sodium-sulfate/chloride spring (hypotonic alkaline high temperature spring)
Measurement at the source

  • (1) Investigation and Testing Association

    Iwate Prefecture Pharmaceutical Association
    Daisuke Kasai and Hitomi Sato

  • (2) Survey and test date

    August 6, 2020

  • (3) Spring temperature

    59.8℃
    (Temperature at time of survey: 30°C)
    Weather: Sunny

  • (4) Outflow amount

    39 liters/min (powered water pumping)
    60mm diameter submersible pump 7.5kw

  • (5) Perceptual test

    It is colorless and transparent with a slight hydrogen sulfide odor and is tasteless.

  • (6) pH value

    8.9

  • (7) Radon (Rn) content

    2.97×10−10
    Curie radon/kg
    (0.82 m/kg)

Measurements in the laboratory

  • (1) Tester Incorporated Association

    Yoko Miyazaki, Iwate Prefecture Pharmaceutical Association

  • (2) Analysis end date

    August 29, 2020

  • (3) Perceptual test

    It is colorless and transparent with a slight hydrogen sulfide odor and is tasteless.
    (24 hours after water sampling)

  • (4) Density

    0.9994 (20℃/4℃)

  • (5) pH value

    8.9

  • (6) Evaporation residue

    1.349g/kg (180℃)

Components in 1 kg of sample,
Amount and composition

Cation component Content (mg) equivalent weight (mval) Ratio (mval%)
hydrogen ion 0.1 0.00 0.00
sodium ion 250.8 10.91 89.50
potassium ion 5.2 0.13 1.07
magnesium ion 0.1 0.01 0.08
calcium ion 22.6 1.13 9.27
total iron ion 0.1 0.00 0.00
Manganese (||) ion 0.1 0.00 0.00
aluminum ion 0.1 0.00 0.00
lithium ion 0.1 0.00 0.00
ammonium ion 0.2 0.01 0.08
Cation total 278.9 12.19 100.00
anion component Content (mg) equivalent weight (mval) Ratio (mval%)
Fluoride ion 6.0 0.32 2.48
chloride ion 130.1 3.67 28.43
hydrogen sulfide ion 0.1 0.00 0.00
sulfate ion 371.5 7.73 59.88
bicarbonate ion 71.8 1.18 9.14
carbonate ion 0.3 0.01 0.08
Thiosulfate ion 0.1 0.00 0.00
Anion total 579.7 12.91 100.00
non-dissociated component Content (mg) Equivalent (mmol)
Metasilicic acid 85.5 1.09
Metaboric acid 18.6 0.42
Non-dissociated component analyzer 104.1 1.51

*Dissolved substances (excluding gaseous substances) 1.446g/kg

Dissolved gas component Content (mg) Equivalent (mmol)
Free carbon dioxide (free carbonate) 5.3 0.12
Free hydrogen sulfide 0.1 0.00
Dissolved gas component meter 5.3 0.12

*Total ingredients 1.446g/kg