Developed hot spring pool · Wyoming
Thermopolis Hot Springs
Hot Springs County, Wyoming · 1.1 mile northeast of Thermopolis, WY
Also searched as:Fountain of Youth Thermopolis WY · Bath House Thermopolis WY · Fountain of Youth Thermopolis Wyoming · Fountain of Youth Rv Park Thermopolis Wyoming
Last updated
- Type
- Developed Developed hot spring pool
- Water temperature
- 133°F (56°C) at the source
- Cost
- Not recorded
- Hours or season
- Not recorded
- Clothing
- Not recorded
- Nearest town
- Thermopolis, WY (1 mi / 2 km)
- Coordinates
- Pools or sources
- 2
- Scalding: recorded at 50°C or above. Water at this temperature causes burns in seconds.
About Thermopolis Hot Springs
Editor's note. Hot Springs State Park in Thermopolis is home to the Big Spring and colorful travertine terraces along the Bighorn River. The State Bath House in the park offers free soaks with a time limit, while private pools nearby charge a fee.
Thermopolis Hot Springs is a developed hot spring pool in Hot Springs County, Wyoming, on the edge of Thermopolis, WY. The nearest large city is Casper, WY, roughly 109 miles away as the crow flies.
The temperature at the source has been recorded at 133°F (56°C). That puts it in the "too hot to enter at the source" range. Water this hot can burn skin quickly. Soaking pools are usually cooled by mixing with creek or tap water. Never enter the source itself. At developed sites the soaking pools are normally cooled to a comfortable level, so the pools you sit in will be cooler than this figure.
This is a developed site with built pools, tubs or a bathhouse, so there is usually an entry fee, set opening hours and basic facilities.
The site has 2 mapped pools or sources within about 500 meters of each other, including State Bath House.
Water temperature
Too hot to enter at the source. Water this hot can burn skin quickly. Soaking pools are usually cooled by mixing with creek or tap water. Never enter the source itself.
Readings come from the NOAA thermal springs list, OpenStreetMap mappers, and other public sources. Temperatures change with season, flow and pool design. See our soak temperature guide for safe soaking times.
Map and directions
Red marks Thermopolis Hot Springs. Other colored dots are nearby springs in this directory. Coordinates: 43.65400, -108.19400.
Getting there
- Nearest town: Thermopolis, WY. The spring is about 1.1 mile (2 km) northeast of town in a straight line.
- Nearest large city: Casper, WY, about 109 miles (175 km) in a straight line.
- Planning from a city? See hot springs near Casper, WY.
- 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 Thermopolis Hot Springs
- Fountain of Youth Not recorded
- Washakie Mineral Hot Springs 111°F
- Shoshone Hot Springs 95°F
- Sweetwater Station Warm Springs 90°F
- Kendall Warm Spring 86°F
- Alcova Hot Springs 129°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.
- 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 Thermopolis Hot Springs?
The temperature at the source has been recorded at 133°F (56°C), which is too hot to enter at the source. Water this hot can burn skin quickly. Soaking pools are usually cooled by mixing with creek or tap water. Never enter the source itself.
Where is Thermopolis Hot Springs?
Thermopolis Hot Springs is in Hot Springs County, Wyoming, about 1.1 mile northeast of Thermopolis, WY. The GPS coordinates are 43.6540, -108.1940.
What hot springs are near Thermopolis Hot Springs?
The closest listed spring is Fountain of Youth, about 1.4 mile northwest. Washakie Mineral Hot Springs is about 55 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 NOAA NCEI Thermal Springs List, OpenStreetMap. Data last refreshed August 2026. Source 1 Source 2 Source 3
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.