Historical reference · USGS/NOAA
South Dakota hot springs
South Dakota has 2 natural thermal springs in the USGS inventory, 2 with a recorded temperature. . Full list below — always verify access and safety before visiting.
CO Cool 1
WM Warm 1
ID Ideal 0
HOT Hot 0
SCL Scalding 0
| Tier | Spring | Temp °F | Temp °C | Classification |
|---|---|---|---|---|
| WM | Hot Springs | 87 | 31 | Warm |
| CO | Hot Brook Springs | 75 | 24 | Cool |
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