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Ikenotaira Onsen

Ikenotaira, Myoko, Niigata (Chubu), Japan
Ikenotaira Onsen
Location
Ikenotaira, Myoko, Niigata (Chubu), 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

Ikenotaira Onsen serves a spa community in the Myoko highland area of Niigata Prefecture, where multiple volcanic peaks — Myoko-san, Hiuchi-ga-take, and the volcanic chain of the Niigata-Nagano highlands — create a geothermally active landscape of exceptional mineral spring diversity whose thermal resources have supported traditional onsen culture since at least the Edo period, when mountain spa villages in the volcanic highlands served travelers on the routes between the Echigo coast and the Nagano interior. The Ikenotaira plateau provides skiing access to the Myoko Kogen ski area, one of Japan's most traditional and atmospheric ski destinations, whose lodges and minshuku have maintained the character of mountain hospitality across many generations of skiers who come specifically for the combination of reliable deep powder and authentic Japanese mountain inn atmosphere. The onsen's siliceous mineral waters, rising from the volcanic geology of the Myoko range, provide the classic thermal bathing experience of a Japanese mountain ski resort where the pleasures of snow, mountain air, and geothermal spring water combine in a deeply satisfying seasonal sequence.

Insider tip — Ikenotaira Onsen perches on the lava fields of Mount Myoko's lower volcanic slopes, where sulfurous springs seep through ancient lava flows into purpose-built ryokan baths. The strong volcanic character — rich in sulfur and hydrogen sulfide — gives the water a penetrating scent and an invigorating sensation. The plateau setting at around 900 meters elevation offers panoramic views of the Kubiki Plain and the distant Noto Peninsula on clear days. Ikenotaira is quieter than neighboring Akakura.
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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).