Aratanihara Onsen; Yamagata-ken Sogo Undo Koen
Tendō, Yamagata, Japan
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- Location
- Tendō, Yamagata, Japan
- Water type
- sodium chloride, thermal
- Temperature
- 40 °C
- pH
- 7.3
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Restorative
LowHigh
Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Aratanihara Onsen, set within the Yamagata-ken Sogo Undo Koen sports park, is located in Tendō, Yamagata Prefecture. The sodium-chloride, thermal water emerges at 40°C, pH 7.3. An indoor bath, an outdoor rotenburo bath and a sauna are available.
Insider tip — 'Aratanihara Onsen' at Yamagata's Sogo Undo Koen (comprehensive sports park) in Tendo city — the shogi (chess) capital of Japan, producing over 95% of all Japanese shogi pieces. The Tendo Shogi Pieces Festival transforms the town centre into a giant shogi board each spring, with costumed residents as the pieces. Tendo Onsen, one of Yamagata's traditional hot spring towns on the Mogami River, draws athletes and families to this combination of sports facilities and thermal spring water warmed by the Zao volcanic system.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 40 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sodium chloride & thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.