Sainokawara Outdoor Bath: Friday Mixed-Gender & Bathing Guide
Nestled at the far end of a steaming volcanic Sainokawara Park, Sainokawara Rotenburo (西の河原露天風呂) stands as one of Japan’s most impressive outdoor bathing experiences. Known for its massive size and stunning forest views, this iconic Kusatsu Onsen destination offers travelers a unique way to soak in the region’s highly acidic, healing waters. Whether you are
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