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Oitama Onsen Tamawari no Yu

Yonezawa, Yamagata, Japan
Oitama Onsen Tamawari no Yu

Illustration photo — not a verified picture of this exact spot.

Location
Yonezawa, Yamagata, Japan
Water type
sulfurous
Temperature
44 °C
pH
6.5

Water profile

Thermicity
Sedative
44 °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.

SoufreSulfuresSulfates

Oitama Onsen Tamawari no Yu is a sulfurous hot spring retreat in the Oitama Basin of Yamagata Prefecture, a region renowned throughout Japan for the abundance of its thermal springs and its deep cultural connection to the bathing traditions of the Tohoku highlands, where volcanic activity produces some of the country's most distinctive mineral waters. The name 'Tamawari no Yu' — suggesting water distributed or apportioned with care — may reference the generous allocation of geothermal water across multiple pools and bathing facilities, each offering the distinctive sulfurous mineral content prized in a long Japanese thermal tradition associated with well-being, the softness of the skin, and relaxation. Surrounded by the rice paddy landscapes and forested ridges of Yamagata's interior, this onsen provides a setting of rural tranquility that enhances the restful depth of its exceptional sulfur waters.

Insider tip — Oitama Onsen Tamawari no Yu taps sulfurous volcanic waters in the Oitama basin of Yamagata Prefecture, a region whose hot springs have long served the castle town of Yonezawa. The sulfur-rich water whitens slightly on contact with air and has a silky, skin-softening texture that distinguishes high-quality volcanic onsen. The Yamagata mountains provide a snow-draped backdrop in winter, when the contrast between frigid air and steaming outdoor pools is most dramatic. Yonezawa beef, one of Japan's three great wagyu, can be savored at nearby restaurants after the soak.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 44 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sulfurous water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).