19/08/2026
The measured pH of 9.42 indicates strong alkalinity, which is typical of an "alkaline simple hot spring." Because these springs have relatively low mineral concentrations, they are said to leave the skin feeling smooth. Their alkalinity may also help remove dead skin cells and sebum, leading them to sometimes be promoted as "beauty springs." When classified as a simple hot spring, official analyses may list general indications recognized under the Japanese Hot Spring Law, including neuralgia, muscle and joint pain, poor circulation, fatigue recovery, and health promotion.
