Known as 'Netsu no Yu', the saline spring forms a salt film on the skin surface, preventing body heat from escaping and providing outstanding heat retention. The warmth continues from within even after bathing, aligning a body that has accumulated cold from the inside. The heat penetrates deeply, gently enhancing circulation. It is characterized by its use in alleviating neuralgia, bruises, and stiffness in the lower back, and melting away fatigue.

The sulfur spring, with its distinctive boiled egg aroma, strongly conveys the hot spring atmosphere of Noboribetsu. It keeps the skin clean and promotes skin metabolism, directly conveying the 'power of the water'. Although stimulating, the refreshment is vivid, and after bathing, the skin surface feels smooth and refined. It deeply affects bodies with chronic skin troubles or joint stiffness.

An acidic bath containing iron, the iron spring tightens the skin and provides a sense of cleanliness. The coloration near the spout tells the story of a 'living hot spring', and as you bathe, you feel your skin tightening. With a volcanic region's unique spring quality, it works on skin diseases, gynecological issues, and maintaining vascular health. After bathing, the skin feels light, and circulation becomes clear.