Tsurugi Hot spring

Hakusan, Ishikawa, Japan

Location: Hakusan, Ishikawa, 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

Tsurugi Hot Spring rises in Ishikawa Prefecture near the Tsurugi area—named for the sword whose blade shape the local mountains evoke—where sulfurous thermal waters emerge from the volcanic geology beneath the White Mountain (Hakusan) volcanic highland that dominates Ishikawa's interior landscape and is the sacred peak of the Hakusan Shinto faith. The sulfurous waters carry the volcanic intensity typical of Hakusan's geological activity, providing the hydrogen sulfide mineral compounds that have made Japanese sword-named springs—where the water's sharpness and potency mirrors the blade's character—among the most dramatically evocative in the naming tradition of Japan's thermal spring culture. Bathing in sulfurous waters in a region named for the sword connects the spring to the martial and sacred dimensions of Japan's highland cultural landscape.

Insider tip — Tsurugi Hot Spring takes its name from the jagged peaks of the Hakusan range that dominate the western horizon, where volcanic activity feeds sulfurous vents across the foothills. The spring sits at moderate elevation above the Kaga plain, accessible by a winding mountain road lined with traditional minshuku guesthouses. Waters carry a faint sulfurous aroma and emerge at high temperature, diluted for comfortable bathing. Winter snows isolate the valley, but heated pools offer a cozy refuge beneath frosted cedar branches.

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