Natural hot spring · Colorado
Dexter Spring
Conejos County, Colorado · 13 miles south of Alamosa, CO
Last updated
- Type
- Natural Natural hot spring
- Water temperature
- 68°F (20°C) at the source
- Cost
- Not recorded
- Hours or season
- Not recorded
- Clothing
- Not recorded
- Nearest town
- Alamosa, CO (13 mi / 21 km)
- Coordinates
- Pools or sources
- 1
About Dexter Spring
Dexter Spring is a natural hot spring in Conejos County, Colorado, about 13 miles south of Alamosa, CO. The nearest large city is Pueblo, CO, roughly 92 miles away as the crow flies.
The temperature at the source has been recorded at 68°F (20°C). That puts it in the "cool to lukewarm" range. Below body temperature. Refreshing in summer, chilly in winter.
It is a natural spring with little or no development. Some natural springs have rock pools you can sit in, while others are too hot, too shallow or on land where soaking is not allowed.
Water temperature
Cool to lukewarm. Below body temperature. Refreshing in summer, chilly in winter.
Readings come from the NOAA thermal springs list, and other public sources. Temperatures change with season, flow and pool design. See our soak temperature guide for safe soaking times.
Water chemistry
| pH | 7.9 |
|---|
Laboratory values from public geochemistry records, sampled 1976. Mineral content does not mean the water is safe to drink.
Map and directions
Red marks Dexter Spring. Other colored dots are nearby springs in this directory. Coordinates: 37.29400, -105.78400.
Getting there
- Nearest town: Alamosa, CO. The spring is about 13 miles (21 km) south of town in a straight line.
- Nearest large city: Pueblo, CO, about 92 miles (148 km) in a straight line.
- Planning from a city? See hot springs near Pueblo, CO.
- Use the directions buttons above for a driving route. Final roads to many springs are unpaved, seasonal or closed in winter, so check road conditions before you go.
Weather forecast
Live forecast for this exact spot from the US National Weather Service.
Hot springs near Dexter Spring
- Shaw Springs 86°F
- Black Rock Hot Spring 99°F
- Manby Hot Springs 100°F
- Valley View Hot Springs 99°F
- Wagon Wheel Gap Hot Springs 135°F
- Rainbow Hot Springs 104°F
Before you go
- Check the operator, land manager or park website for current hours, fees and closures. Details in any directory can go out of date.
- Pack out everything you bring, including food scraps. Do not use soap in natural pools.
- Keep your head above water. Warm fresh water can carry Naegleria fowleri, a rare but deadly amoeba that enters through the nose.
- Drink water, limit soaks to 10 to 20 minutes at a time in very hot water, and skip alcohol.
- Read our hot spring etiquette guide and safety guide.
Frequently asked questions
How hot is Dexter Spring?
The temperature at the source has been recorded at 68°F (20°C), which is cool to lukewarm. Below body temperature. Refreshing in summer, chilly in winter.
Where is Dexter Spring?
Dexter Spring is in Conejos County, Colorado, about 13 miles south of Alamosa, CO. The GPS coordinates are 37.2940, -105.7840.
Can you soak at Dexter Spring?
Natural springs vary. Some have pools built by visitors, others are too hot or shallow, and some are on private land or in areas where bathing is banned. Check local rules and test the water before you get in.
What hot springs are near Dexter Spring?
The closest listed spring is Shaw Springs, about 43 miles northwest. Black Rock Hot Spring is about 53 miles away.
What should I bring to a hot spring?
Water to drink, a towel, sandals with grip, a bag to pack out trash, and warm layers for after your soak. At primitive springs bring a headlamp and tell someone where you are going.
Sources and corrections
This listing combines the Nevada Bureau of Mines and Geology, the NOAA NCEI Thermal Springs List. Data last refreshed August 2026. Source 1 Source 2
Visited recently? Send a correction, such as a temperature reading, fee, closure or photo. If you look after this spring and want it removed, see removal requests.