Patua Hot Springs (Fernley)
Patua Hot Springs near Fernley flows at 187°F on Bureau of Land Management public land at 4,100 feet elevation, ranking among Nevada's hottest thermal features. The spring emerges 130 degrees above the 57°F average annual air temperature, indicating rapid ascent of deeply circulated geothermal water. Recent USGS analysis documented water at 194°F with total dissolved solids of 2,170 milligrams per liter, sodium at 640 milligrams per liter, chloride at 720, and sulfate at 400, reflecting high-temperature fluid circulation through volcanic rock.
The spring emerges at 4,100 feet elevation in the desert terrain east of Fernley, managed by the BLM's Sierra Front Field Office in Lyon County. The spring sits just 45 feet from the nearest road in open sagebrush country that receives 6.9 inches of annual precipitation and minimal snowfall of 11 inches. The thermal feature lies in the Fernley geothermal area, where fault structures provide conduits for superheated water rising from depth. Mineral deposits around the spring openings testify to the long-term discharge of chemically evolved geothermal fluid.
The spring's 187°F temperature makes it extremely dangerous for any bathing use. Visitors should observe from a safe distance and never enter water at this temperature. The roadside location on BLM land provides legal public access year-round, though site conditions may limit vehicle approach. The spring's value lies in observing active high-temperature geothermal discharge rather than recreation. Extreme caution is required around boiling water and unstable mineral deposits. Visit during daylight hours and inform others of plans when exploring remote thermal features.
The spring's name may derive from the Patua Indian Reservation established in the 19th century, though specific historical documentation remains limited. The area's geothermal resources attracted attention during Nevada's energy exploration boom of the 1970s and 1980s. The high-temperature discharge and elevated mineral content suggest potential for geothermal power development, though no commercial facilities have been constructed at this site. The spring continues to flow freely from BLM-managed public land.
The water at Patua Hot Springs (Fernley) is neutral (pH 6.9) with 2170 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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Patua Hot Springs (Fernley) 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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