Tsuruga Onsen

Tsuruga, Fukui, Chubu, Japan

Location: Tsuruga, Fukui, Chubu, Japan
Water type: bicarbonate
Temperature: 40 °C
pH: 8

Water profile

Thermicity

Sedative

40 °C

LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation

Restorative

LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy

Standard buoyancy

LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesSodiumCalcium

Tsuruga Onsen is located in the historic port city of Tsuruga in Fukui Prefecture, a city with deep maritime heritage dating back to ancient trade routes connecting Japan to the Asian continent via the Sea of Japan. The siliceous thermal waters here provide a soothing retreat in a city known for its role in Japanese history and its proximity to the Wakasa Bay coast. Visitors can enjoy the mineral-rich baths before exploring Tsuruga's Kanagasaki Shrine and the city's museums that chronicle its significance as one of Japan's oldest international trading ports.

Insider tip — Tsuruga Onsen draws from bicarbonate-rich thermal springs along the Wakasa Bay coast of Fukui Prefecture, a region historically known as the 'Kitchen of the Imperial Capital' for its seafood trade with Kyoto. Bathers often combine a morning soak with an afternoon exploring the bronze-age Tsuruga Castle ruins and the adjacent Red Brick Warehouse district. The temperate Sea of Japan microclimate keeps the outdoor pools comfortable well into November. Snow crab season from November to March makes this a particularly rewarding winter destination.

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