Come and see Japan's most dangerous national treasure!
Relax and soak away your cares in one of the 12 world-class, radium hot-springs - each with its own distinct character.
Come and enjoy an experience you won't find anywhere else. Izanro Iwasaki brings you the waters of Misasa Onsen, some of the world's finest radium hot springs, in 12 distinctive baths.
Year-round beauty: A delightful garden with
something different to appreciate in every season
Overlooking the waters of the Misasa River. Enjoy the sight of cherry blossoms in full bloom in the spring, watching as they give way to the soft greens of the early summer and fill with fireflies darting about and the croaks of river fish. In autumn, enjoy the breathtaking sight of the bright red and yellow foliage, spreading across the hills like a fiery blaze.