Upper Warm Spring, Warm Spring
Upper Warm Spring, also known as Warm Spring, emerges at 106°F in Eureka County at 6,552 feet elevation. Located 558 meters from the nearest road, the spring requires a substantial walk to reach this thermal feature that flows 56 degrees above ambient temperature with alkaline pH of 8.1.
The spring occupies mid-elevation terrain at 6,552 feet in central Nevada's basin and range country, where pinyon-juniper woodland grades into sagebrush communities. Annual precipitation totals 10.3 inches with substantial snowfall averaging 40.3 inches, supporting scattered tree cover and shrubland. Recent USGS measurements document water at 41°C with moderate mineralization at 267 milligrams per liter total dissolved solids.
Plan for a half-kilometer approach hike across open range terrain that may be steep or rocky in sections. Visit from late spring through fall, as winter snow can persist into May at this elevation. The 106-degree water temperature and alkaline chemistry make this unsuitable for direct contact. Eureka provides services approximately 30 kilometers north.
The dual naming reflects local usage where 'Warm Spring' served as the general reference while 'Upper Warm Spring' distinguished this feature from other thermal springs in the Eureka district. The spring likely provided water for livestock operations that spread across these uplands during Eureka County's ranching expansion in the late 1800s and early 1900s.
The water at Upper Warm Spring, Warm Spring is slightly alkaline (pH 8.1) with 267 mg/L total dissolved solids.
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Upper Warm Spring, Warm Spring sits at 6,552 feet above sea level, way above the mile-high mark. You may not feel the altitude strongly, but hot water still dehydrates you faster at elevation. UV is about 26% stronger than at sea level, so bring sunscreen and drink more water than you normally would.
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Upper Warm Spring, Warm Spring is road-accessible, so you can bring more gear.
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Springs Near Upper Warm Spring, Warm Spring
More Springs Around 106°F
Slightly Alkaline Springs (pH ~8.1)
Hike 1 waterfall near Upper Warm Spring, Warm Spring
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