Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Soft water — natural, classic buoyancy.
Aichi Yungo Onsen Okazaki is a traditional hot spring facility in Okazaki, a historic city in Aichi Prefecture celebrated as the birthplace of Tokugawa Ieyasu — the legendary shogun who unified Japan in 1603 and founded the Tokugawa dynasty that ruled the country for 265 years — and home to the magnificent Okazaki Castle. The naturally bicarbonate-rich spring waters are prized in Japanese onsen tradition for their smooth alkaline character that gently softens skin and relaxes muscles, offering a deeply refreshing and restorative soak in a city steeped in samurai history. Combining the cultural grandeur of Tokugawa heritage with the everyday pleasure of natural hot spring bathing, Aichi Yungo Onsen Okazaki provides a satisfying wellness experience in one of central Japan's most historically significant cities.