According to Ministry of the Environment statistics, Kyoto (Kinki) has 37 onsen areas and 146 hot-spring sources. This page lists 19 onsen in Kyoto with their water types. The most common water type among them is Simple Thermal Spring (8 onsen).
Source: Ministry of the Environment, FY2024 Hot Spring Utilization Survey (as of March 31, 2025). Best-known onsen = most annual Wikipedia views.
| Water Type | Count | Share |
|---|---|---|
| Simple Thermal Spring | 8 | 42% |
| Sulfate Spring | 4 | 21% |
| Chloride Spring | 2 | 11% |
| Bicarbonate Spring | 2 | 11% |
| Radium Spring | 2 | 11% |
| Sulfur Spring | 1 | 5% |
| Facility | Water Type |
|---|---|
| Kasagi Onsen | Unknown |
| Refre Kayanosato | Unknown |
| Kurama Onsen An open-air day-bathing facility partway up Mt. Kurama, a quiet spring away from central Kyoto. | Simple Thermal Spring Alkaline simple spring |