Sakakibara Onsen
- Location
- Tsu, Mie, Japan
- Water type
- bicarbonate, carbonated
- Temperature
- 40 °C
- pH
- 6.3
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Mineralised water — eases movement and joints.
Sakakibara Onsen in Tsu City, Mie Prefecture is served by its own dedicated railway station — Sakakibara-Onsenguchi Station on the Kintetsu Osaka Line — making it one of the most conveniently rail-accessible hot spring destinations in the Kii Peninsula region, a convenience that has helped establish this spring as a favored day-trip and weekend destination for urban residents of the Osaka-Nagoya corridor. The spring flows with bicarbonate and carbonated thermal waters, combining the skin-conditioning alkalinity of carbonate chemistry with the effervescent, physically stimulating quality of dissolved carbon dioxide, a rare and particularly appealing dual mineral character that draws visitors seeking more than the simple warmth of a standard thermal bath. Sakakibara Onsen's rail accessibility, distinctive bicarbonate-carbonated water profile, and position within Mie Prefecture's culturally rich landscape — home to the Ise Grand Shrines and the forested Kii mountain range — make it a destination of unusual convenience and geothermal interest within the Kinki onsen tradition.