Kasagata Onsen Seseragi no Yu
- Location
- Mimasaka, Okayama, Japan
- Water type
- sodium chloride
- Temperature
- 41 °C
- pH
- 7.3
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Kasagata Onsen Seseragi no Yu—the Murmuring Waters of Kasagata—is a day-trip thermal facility at the foot of Mt. Kasagata in Ichikawa-cho, Hyogo Prefecture, where iodine-rich waters emerge alongside one of Kansai's 100 famous mountains, a peak celebrated for its distinctive hat-shaped profile that gives both mountain and spring their shared name. With no lodging facilities, the experience centers on the day-trip mineral bath alongside unusual on-site services—a specialty maki-zushi (rolled sushi) shop and a ceramics gallery—that reflect Hyogo's rich culinary and craft traditions in a single compact destination. The seseragi (murmuring stream) quality of the water's flow through the facility adds a sensory atmosphere of natural sound that deepens the meditative quality of iodine-mineral bathing in this quiet foot-of-mountain setting.