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Nozawa Kumanokouji

Nozawaonsen, Nagano, Japan
Nozawa Kumanokouji
Location
Nozawaonsen, Nagano, 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

Nozawa Kumanokouji is one of the communal outdoor bath houses (soto-yu) of the celebrated Nozawa Onsen hot spring village in northern Nagano Prefecture, where 13 free public baths—owned and maintained by local villagers as a communal heritage institution for over 800 years—define a hot spring community culture of extraordinary authenticity and historical continuity designated an Intangible Folk Cultural Property of Nagano Prefecture. The siliceous thermal waters of Nozawa emerge at high temperatures through the volcanic geology beneath the Madarao Kogen range, providing mineral-rich bathing in steaming outdoor pools that have warmed Buddhist pilgrims, farmers, and now skiers for centuries in one of Japan's most genuinely traditional onsen villages. The Nozawa Onsen Ski Resort's world-class powder snow, the August Bon Odori festival, and the dramatic January Dosojin Fire Festival—where villagers defend a straw tower from torch-bearing attackers in a Shinto fertility ritual—give this onsen village an intensity of cultural life unmatched in the Japanese Alps.

Insider tip — Nozawa Kumanokouji is one of the thirteen free community soto-yu bathhouses maintained collectively by Nozawa Onsen village, fed directly by a volcanic sulfurous spring at scalding source temperature. The bathhouse is small, roofless in summer, and run on a trust-donation system that has persisted since the Edo period. Water enters the stone tub at near-boiling temperature; locals add cold water via a wooden ladle to reach comfortable bathing temperature. Etiquette demands silence, gratitude, and leaving the tub cleaner than you found it.
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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).