An alkaline hypotonic mineral spring that gushes from underground. The water feels soft and gentle on the skin. The indoor baths feature a rock bath and a cypress bath, each offering a different bathing experience. The outdoor baths include a semi-open ceramic bath and a spacious rock bath, allowing you to enjoy the hot spring while feeling the air of Otaru. The interior, with its Taisho Roman design, is characterized by glass bead lighting, creating a fantastic effect like snow falling when viewed from the bath. The hot spring has a wide range of benefits, including relief for bruises, joint pain, muscle pain, and cold sensitivity. After bathing, your body feels warm, and the fatigue is relieved from the core.