Katahara Onsen

Gamagori, Aichi, Japan

Location: Gamagori, Aichi, Japan
Water type: bicarbonate, thermal
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

Katahara Onsen flows with bicarbonate and simple thermal waters in Japan, combining the skin-conditioning alkalinity of carbonate mineral chemistry with the gentle, accessible warmth of lightly mineralized simple water to produce a bathing experience that is simultaneously therapeutic and broadly welcoming to visitors of all ages and sensitivities. The name Katahara, suggesting a setting along one side of a hillside, valley, or body of water, reflects the Japanese tradition of embedding hot spring names in the precise topographic character of the natural setting from which the water rises, giving the spring an identity inseparable from its landscape. Katahara Onsen offers the dual mineral pleasures of bicarbonate and simple-type thermal water in a setting whose very name carries the quiet poetry of a landscape where the earth's warmth surfaces in the sheltered folds of Japanese mountain terrain.

Insider tip — Katahara Onsen is a well-established resort along the Mikawa Bay shoreline in Aichi Prefecture, where bicarbonate-laced thermal waters are coupled with panoramic sea views. The combination of ocean breezes and mineral-rich baths creates a distinctly rejuvenating coastal experience. Large resort hotels here offer elaborate kaiseki dining and multi-pool bathing circuits with both indoor and outdoor facilities. Sunset soaks with views over Mikawa Bay are among the most memorable in all of central Japan.

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