Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Kashiwa, in the northwestern Chiba Prefecture along the Tone River, is a major suburban city on the Joban Line between Tokyo and Mito known for its remarkable concentration of scientific research institutions including the University of Tokyo Kashiwa Campus and the National Institute for Environmental Studies, making it alongside Tsukuba a significant node in Japan's greater capital region research network. Kashiwa Onsen Chiba draws on chloride-rich thermal waters from the geological resources of the Chiba plain, providing warm restorative baths in a major suburban research community whose academic culture, excellent Joban Line access to central Tokyo, and the traditional Tone River corridor farming landscape of the Kashiwa hinterland create a practically located urban spa destination. The Kashiwa Tanpopo no Ie Cultural Centre, the traditional Tone River waterway culture of the northern Chiba-Ibaraki border, and the excellent dining options in the vibrant Kashiwa station area create a lively and convenient spa destination in one of northwestern Chiba's most dynamic suburban cities.