
十二館 新館
Nagano onsen ryokan — Four Centuries Deep in the Mountains, a Hidden Bath for Beautiful Skin
PHOTOS
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ABOUT
Nagano · Shinshu Kasuga Onsen, Junikan Shinkan







Settle into a quiet inn cradled by the mountains and soak in a 400-year-old bath famed for softening skin, then close the day with Saku carp and the mountain's seasonal bounty. From the window seat, the four seasons unfold like a painting.
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* This introduction was compiled from information published by each property (official website and similar sources), so some details may differ from what you find on the day. It is AI-assisted and can contain errors — please check the official website and the details shown at booking before you reserve.
ROOMS
GUIDE
From onsen etiquette to check-in — the things worth knowing first.
FAQ