
Hot Spring Bath
The public bath overlooks the changing seasons of Lake Toya through expansive windows and features a large bath, reclining bath, sauna, and cold-water bath.
A dedicated shower booth is also available for wheelchair users and guests who may find bathing difficult.
Spring Properties and Indications
Hot spring source
Lake Toya Onsen — the source water is heated
Spring type
Calcium-sodium sulfate spring (hypotonic, mildly alkaline, low-temperature spring)
General indications for therapeutic bathing
Chronic muscle or joint pain or stiffness (including the chronic phases of rheumatoid arthritis, osteoarthritis, lower back pain, neuralgia, frozen shoulder, bruises, and sprains); muscle stiffness associated with motor paralysis; reduced gastrointestinal function (such as stomach heaviness or bloating); mild hypertension; impaired glucose tolerance (diabetes); mild hypercholesterolemia; mild asthma or emphysema; autonomic nervous system instability; hemorrhoid pain; stress-related symptoms (including sleep disorders and depression); convalescence; fatigue recovery; and health promotion.
Bathing indications specific to this spring type
Cuts, peripheral circulatory disorders, sensitivity to cold, depression, and dry skin
Drinking indications specific to this spring type
Biliary dysfunction, hypercholesterolemia, and constipation



