An authentic Finnish-style sauna that generates steam with heated stones. Enjoy a thorough sweat while gazing at the flow of the Omigawa River through the window. The heat rising from the sauna stones envelops the room, characterized by a soft heat sensation despite the high temperature. The spacious design allows for a relaxed posture to sweat, and combined with the view of the Omigawa River, you can experience a sense of relaxation in nature.

A cold plunge bath using 100% natural underground water flowing from about 100 meters below. The water temperature remains constant throughout the year, providing a stable chill. The natural underground water offers a soft touch and refreshing feel, pleasantly cooling the body heated by the high-temperature sauna. The continuous flow ensures fresh water at all times, allowing you to appreciate the excellent water quality.