Takeo Onsen Ryuunkaku
- Location
- Takeo, Saga Prefecture, Kyushu, Japan
- Water type
- sodium chloride
- Temperature
- 42 °C
- pH
- 7.3
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Takeo Onsen Ryuunkaku is a traditional inn in Takeo Onsen, a hot spring town in Takeo City, Saga Prefecture, whose history as a therapeutic bathing destination is documented in extraordinary detail by the survival of a magnificent Momoyama-period gateway built in 1628, one of only three surviving examples of this architectural style in Japan, which marks the entrance to the ancient spring in a setting of historical grandeur that places Takeo among Japan's most architecturally distinguished hot spring towns. The city achieved international fame when its public library was dramatically redesigned by Tsutaya Books in 2013, transforming a conventional municipal library into a light-filled 24-hour open space combining books, a Starbucks, and a DVD rental shop in a design concept that sparked national and international debate about the future of public libraries and propelled Takeo to global media attention as an unlikely model of civic cultural innovation. The chloride thermal spring waters of Ryuunkaku flow through a historically resonant inn setting framed by the 400-year-old gateway, offering guests a bathing experience that uniquely combines medieval architectural splendor, Edo-period hot spring culture, and the contemporary library innovation that has made this pleasant Saga castle town unexpectedly famous in the global conversation about public space and cultural life.