Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Soft water — natural, classic buoyancy.
Minami Uonuma Onsen serves the administrative center of a region whose primary identity is the production of Uonuma Koshihikari — universally acknowledged as Japan's most premium Koshihikari variety, whose combination of mountain snowmelt water, temperature differential growing conditions, and the particular clay-rich soils of the Uonuma valley floor produces rice of exceptional stickiness, sweetness, and aroma that is distributed in limited quantities to high-end Japanese restaurants and food retailers who market its provenance as specifically and seriously as European wine producers market their appellations. The surrounding ski resorts — Kagura, Naeba, Joetsu Kokusai — make Minamiuonuma one of Japan's major winter sports destinations, its mountains receiving some of the world's heaviest snowfall and providing conditions that attract skiers and snowboarders from Japan and internationally throughout the winter season. The onsen's siliceous geothermal mineral waters, drawing warmth from the geological foundations of a valley famous for the quality of everything it produces — whether rice, snow, or mineral spring — provide therapeutic bathing of the kind that perfectly complements both the outdoor exertion of mountain skiing and the patient agricultural rhythms of Japan's snow-country rice culture.