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Therapeutic hot spring

Our hot springs have passed the statutory inspections,
and we conduct Legionella bacteria tests.


■100% natural hot spring without any filtration or additives
We replace the water every day.
After each replacement, we perform bathtub cleaning.

■We regularly add chlorine and conduct chlorine disinfection in the hot springs.

Therapeutic hot spring

Name of Hot springWakamiya no Yu

Spring Source644-2 Otono, Miyawaka City, Fukuoka Prefecture

Hot Spring Yield100 L/min (pumped by mechanical lift)

pH value6.5(19.0℃)

Residual Evaporation330mg/kg (at 110℃)

EffectPeripheral circulatory disorders, cold sensitivity, mild hypertension, diabetes, mild hypercholesterolemia, gastrointestinal dysfunction, rheumatoid arthritis, autonomic nervous system instability, insomnia, symptoms of depression, chronic pain and stiffness in muscles and joints, muscle stiffness due to motor paralysis, asthma, mild chronic obstructive pulmonary disease (COPD), pain from hemorrhoids, post-illness recovery period, fatigue recovery, health promotion.

Characteristics:Colorless and odorless, this type of spring is Generally preferred.
It contains radon, which is said to have cosmetic effects such as anti-aging.

Weak radioactive springs and radioactive springsThis is a collective term for hot springs that contain radon, and bathing is expected to be effective for conditions such as hyperuricemia (gout), rheumatoid arthritis, and ankylosing spondylitis.
Because radon is a gas, it can be inhaled through the respiratory system as well as through the skin.
Depending on the radon content, it is classified into two types: weak radioactive springs (radon content of 8.25 mach units or more and less than 50 mach units) and radioactive springs (radon content of 50 mach units or more).
If the radon content is 50 mach units or more and it is a "sodium-chloride spring," it will be labeled as a "radioactive-sodium-chloride spring," and if it is a weak radioactive spring with less than 1g of dissolved substances per 1kg, it will be labeled as "simple weak radioactive spring." Also known as radon spring or radium spring.

AmenitiesBody soap, shampoo, conditioner, makeup remover, facial cleanser, toner, bath towel, face towel.

"Our hot springs have passed legal inspections and
are tested for Legionella bacteria."


■Our inn uses free-flowing hot spring water.
We change the water every day.
We are cleaning the bathtub after the replacement.

■The hot springs are regularly chlorinated and chlorinated.

Source nameWakamiya no Yu

Source644-2 Otono, Miyawaka City, Fukuoka Prefecture

Spring qualitySimple weakly radioactive cold mineral spring (hypotonic cold mineral spring)

Amount of discharge100L/min(power lifting)

pH value6.5(19.0℃)

Evaporation residue330mg/kg(at 110℃)

EfficacyPeripheral circulatory disorders, sensitivity to cold, hypertension (mild), diabetes, hypercholesterolemia, gastrointestinal dysfunction, rheumatoid arthritis, autonomic instability, insomnia, depression, chronic muscle and joint pain and stiffness, motor paralysis Muscle stiffness due to asthma, emphysema (mild), hemorrhoid pain, recovery from illness, recovery from fatigue, promotion of health

FeaturesIt is colorless and odorless, and generally easy to enter.
It contains radon and is said to have beauty effects such as anti-aging.

Weakly radioactive spring/
Radioactive springIt is a general term for hot springs containing radon, and bathing is expected to be effective for hyperuricemia (gout), rheumatoid arthritis, ankylosing spondylitis, etc.
Because radon is a gas, it can be inhaled through the respiratory system as well as through the skin.
The radon content is classified into two types: weakly radioactive springs (radon content of 8.25 Mache units or more and less than 50 Mache units) and radioactive springs (radon content of 50 Mache units or more).
If the radon content is 50 mache units or more and it is "sodium-chloride spring", it will be displayed as "radioactive-nadrium-chloride spring". Simple weak radioactive spring" is displayed. Radon springs are also known as radium springs.

AmenitiesBody soap, shampoo, conditioner, makeup remover, face wash, lotion, bath towel, face towel