The open-air bath boasts one of the largest areas in Japan, with a total area of approximately 500 square meters, and you can enjoy the hot spring water flowing directly from the hot water field.

The spring quality is sodium and calcium chloride spring, which is gentle on the skin and can be expected to have beautifying effects.

In addition, the open-air bath is surrounded by trees and flowers, allowing you to spend a relaxing time admiring the changing nature of the four seasons.