Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Kameyama, a castle town in central Mie Prefecture along the Suzuka River on the historic Tokaido highway, served for centuries as the domain capital of the Kameyama clan and an important post town on the road between Kyoto and Ise, making it a long-established waypoint for merchants and Ise pilgrims alike. Kameyama Onsen Mie draws on sodium and bicarbonate thermal waters from the geological resources of the Ise Bay hinterland, offering relaxing baths in a quietly dignified castle town whose Edo-period townscape and sake brewing traditions reflect centuries of highway culture on the approaches to Japan's most sacred Shinto shrine. The historic Kameyama Castle ruins, the Seki-juku preserved post town just to the east — one of Japan's best-maintained Edo-period relay stations — and the regional Kameyama candle manufacturing tradition create a rewarding heritage destination for thermal spa visitors in central Mie Prefecture.
Insider tip — Kameyama lies where the Suzuka mountains descend toward the Ise Bay lowlands, a transition zone where both mountain bicarbonate springs and coastal mineral influences converge. The city is a historic post-town on the ancient Tokaido road, giving it a layered heritage of samurai-era wayfarers who once rested in local baths. The mild bicarbonate waters are particularly prized for relieving fatigue after long-distance travel, a tradition that continues today among Tokai expressway motorists. Cherry blossoms along the Suzuka River make spring the most visually rewarding season to visit.