Natural hot spring · Idaho
Milford Sweat Hot Spring
Blaine County, Idaho · 25 miles east of Bellevue, ID
Last updated
- Type
- Natural Natural hot spring
- Water temperature
- 111°F (44°C) at the source
- Cost
- Not recorded
- Hours or season
- Not recorded
- Clothing
- Not recorded
- Nearest town
- Bellevue, ID (25 mi / 40 km)
- Coordinates
- Pools or sources
- 1
- Very hot: above comfortable soaking temperature for most people. Enter slowly.
- Historical record only: this spring has not been confirmed on the ground since 1981 and may be on private land.
About Milford Sweat Hot Spring
Milford Sweat Hot Spring is a natural hot spring in Blaine County, Idaho, about 25 miles east of Bellevue, ID. The nearest large city is Twin Falls, ID, roughly 65 miles away as the crow flies.
The temperature at the source has been recorded at 111°F (44°C). That puts it in the "very hot" range. Hotter than a hot tub. Enter slowly, keep soaks short and get out if you feel dizzy.
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.
This spring comes from the US federal Thermal Springs List compiled in 1981. Nobody has confirmed it on the ground for this directory since, so treat the details as historical. Many springs on that list sit on private ranch land, so never visit without permission.
Water temperature
Very hot. Hotter than a hot tub. Enter slowly, keep soaks short and get out if you feel dizzy.
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.
Map and directions
Red marks Milford Sweat Hot Spring. Other colored dots are nearby springs in this directory. Coordinates: 43.36300, -113.77900.
Getting there
- Nearest town: Bellevue, ID. The spring is about 25 miles (40 km) east of town in a straight line.
- Nearest large city: Twin Falls, ID, about 65 miles (105 km) in a straight line.
- Planning from a city? See hot springs near Twin Falls, ID.
- 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 Milford Sweat Hot Spring
- Condie Hot Springs 124°F
- Hailey Hot Springs 131°F
- Magic Hot Springs 163°F
- Clarendon Hot Springs 126°F
- Warfield Hot Spring 124°F
- Elk Creek Hot Spring 126°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 Milford Sweat Hot Spring?
The temperature at the source has been recorded at 111°F (44°C), which is very hot. Hotter than a hot tub. Enter slowly, keep soaks short and get out if you feel dizzy.
Where is Milford Sweat Hot Spring?
Milford Sweat Hot Spring is in Blaine County, Idaho, about 25 miles east of Bellevue, ID. The GPS coordinates are 43.3630, -113.7790.
Can you soak at Milford Sweat Hot 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 Milford Sweat Hot Spring?
The closest listed spring is Condie Hot Springs, about 7.4 miles west. Hailey Hot Springs is about 31 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. Data last refreshed August 2026. Source 1
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.