The quiet and relaxing Katahara Hot Spring, far from the hustle and bustle of the city, is nestled in the Sangane Skyline and from here, you can look out over Mikawa Bay.
From long ago, its water have been famous for their smoothing effects on the skin and have been called "Beauty Water" by the locals. In June of each year, the area's hydrangeas are in full bloom and the area became known as "Hydrangea Village".