Thermo Hot Springs
This Thermo Hot Springs vent flows at 185 degrees Fahrenheit near Milford, representing one of Utah's hottest thermal discharges with water emerging 131 degrees above ambient air temperature. Located 688 meters from the nearest road at 5,045 feet elevation, this spring produces sulfate-dominant water with 1,500 milligrams per liter of total dissolved solids and a pH of 8.1.
The vent emerges in open Escalante Desert terrain at 5,045 feet elevation, positioned in the basin-and-range landscape of western Beaver County. The surrounding environment receives 8.6 inches of annual precipitation and 23.1 inches of snow, supporting minimal vegetation dominated by salt-tolerant shrubs and grasses adapted to alkaline soils. Exposed basin sediments and scattered volcanic rocks characterize the immediate area, while the Mineral Mountains form the eastern backdrop across the valley floor.
Extreme danger: 185-degree water causes instantaneous severe burns and steam vents present scalding hazards. The moderate walk crosses exposed desert requiring sun protection and adequate water. No safe bathing exists at this temperature; approach for observation only with extreme caution around vents. Visit during cooler months when desert heat moderates. Hanging Rock Campground offers developed facilities 28.6 kilometers distant along the Beaver River.
This represents one of multiple vents in the Thermo Hot Springs geothermal field, a thermal area that has attracted scientific and commercial interest across decades due to exceptional heat output. The site saw geothermal exploration activities during the 20th century, though commercial power development never advanced beyond assessment phases. Current status reflects ongoing baseline monitoring by state and federal agencies tracking Utah's geothermal resources.
The water at Thermo Hot Springs is slightly alkaline (pH 8.1) with 1500 mg/L total dissolved solids. It is notably rich in sodium (supports circulation and skin hydration), sulfate (traditionally used for skin conditions and inflammation), and chloride (natural antiseptic with skin health benefits).
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Overview Hanging Rock Campground is located just off of Highway 21 between the towns of Beaver and Minerville, UT. The campground has six campsites all located alongside the scenic Beaver River. Along with the scenery that the river provides, it also offers what many consider to be the best fising in Beaver County. Recreation The Beaver River provides opportunity for year-round fishing. The Paiute ATV Trail and Beaver Bench Mountain Bike Trail System are located just down the road in Beaver,...
Thermo Hot Springs is road-accessible, so you can bring more gear. The water is dangerously hot — bring water shoes and test pools carefully.
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