Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Kutsurogi no Yado Nanporo Onsen Heart & Heart—Relaxation Inn Nanporo Spring Heart & Heart—in Nanporo Town, Hokkaido, offers simple alkaline thermal waters on the Ishikari Plain between Sapporo and Asahikawa, where the geological substrate of Hokkaido's most productive agricultural lowland produces modest but genuine thermal spring water accessible to the farming and residential communities of one of Japan's most important rice-cultivating regions. Nanporo Town sits at the heart of Hokkaido's agricultural breadbasket, where the Ishikari River's alluvial plain and the long summer days produce rice, asparagus, and other crops of exceptional quality—and where the kutsurogi (ease and relaxation) spirit of the spring's name reflects the agricultural community's genuine need for thermal restoration after the physical demands of farming in Japan's northernmost main island. This inn-style thermal facility provides the intimate, community-rooted thermal experience that forms the backbone of Japan's everyday onsen culture, where relaxation (kutsurogi) is understood as a right as fundamental as the agricultural labor that surrounds it.