According to Ministry of the Environment statistics, Chiba (Kanto) has 95 onsen areas and 144 hot-spring sources. This page lists 20 onsen in Chiba with their water types. The most common water type among them is Chloride Spring (12 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 |
|---|---|---|
| Chloride Spring | 12 | 60% |
| Sulfur Spring | 4 | 20% |
| Bicarbonate Spring | 2 | 10% |
| Simple Thermal Spring | 1 | 5% |
| Carbon Dioxide Spring | 1 | 5% |
| Facility | Water Type |
|---|---|
| Oedo Onsen Monogatari Urayasu Mangekyo | Unknown |
| Yumeguri Mangekyo | Unknown |
| Clean Spa Ichikawa | Unknown |
| Iwai Yuki no Yu A day-use hot spring facility in the Minami-Boso Onsen area. | Chloride Spring Sodium – chloride spring |