A spacious sauna boasting the largest size in Northern Kanto. Made with the finest abachi wood, it offers an open space with views of the garden, allowing you to enjoy the heat without feeling confined. In the traditional Finnish löyly, aromatic water is poured over sauna stones, circulating steam throughout the room and promoting heavy sweating. The balance of humidity and heat is excellent, with gentle heat penetrating deep into the body. You can choose your preferred temperature zone on the spacious seating area, allowing you to sweat thoroughly and relax.

A low-temperature steam sauna with the added therapeutic effects of aroma in fresh steam. The room temperature is moderate, and the high-humidity steam moisturizes the skin and bronchi. The pleasant aroma spreads throughout, enhancing relaxation as you deepen your breathing. Unlike the high temperature of the Grand Sauna, it is less taxing on the body, allowing for a longer, more leisurely soak. It is a gentle sauna that can be expected to have beauty and moisturizing effects, leaving the skin smooth while drawing out sweat.

A cold plunge bath boasting the largest size and depth in Kanto. With a depth of 120cm, you can immerse yourself up to your shoulders. The water temperature is refreshingly cold, allowing you to quickly cool down your body heated in the Grand Sauna. The spacious design accommodates multiple people without feeling cramped, allowing for deep breathing and a relaxed cool down. There is a pleasant comfort in the cold, and the outdoor air bath after feeling the chill deep in your body is exceptional.

A cold plunge bath with a slightly higher temperature. It is moderately cold, allowing those who wish to soak longer or are not fond of cold water to enter slowly. Ideal for those who want to cool down gradually after storing heat in the sauna, you can first acclimate your body here before moving to the 16°C Cold Spa 1. The gentle cold is comfortable, allowing you to adjust your body temperature while relaxing.