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Tamagawa Onsen Akita

Tamagawa Semboku Akita, Japan
Tamagawa Onsen Akita
Location
Tamagawa Semboku Akita, Japan
Water type
radioactive, acidic
Temperature
98 °C
pH
1.2

Water profile

Thermicity
Sedative
98 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Bio-active
LowHigh

Rich in active gases or metals — a strong mineral character.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

acide chlorhydriqueSoufreRadonAluminiumFerSodium

Immerse yourself in the unique Tamagawa Onsen Akita experience, where radon-rich waters flow from a legacy source with a pH of 1.2, making it one of Japan's most acidic hot springs. Located in the mountains of Tohoku, this thermal spring offers a distinct blend of natural beauty and therapeutic relaxation. Guests can unwind in the warm, mineral-rich waters, rich in radioactivity, for an unforgettable experience.

Insider tip — Visitors lie on the rock slabs heated by geothermal energy for therapy. Longer than a traditional bath but very effective for pain.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 98 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features radioactive & acidic water.
What is the best season to visit?
The most favourable period for this spot is: Juillet|Août|Septembre.