Unnamed Thermal Spring
This 100°F spring emerges at 4,544 feet on BLM land along Whitehorse Ranch Road, technically listed under Nevada's Humboldt County but near the Oregon border in remote high desert country. The spring creates a 48.8°F temperature differential above the 51.2°F ambient air temperature, producing moderately hot water accessible via 747-meter walk from the road.
Located in the high sagebrush country where Oregon and Nevada meet, the spring sits in volcanic terrain characterized by basalt plateaus and broad valleys. At this elevation, precipitation increases to 11.5 inches annually with 26.3 inches of snow, supporting denser sagebrush and bunchgrass communities than lower elevations. The landscape shows minimal human impact beyond ranch roads and occasional fence lines, with the vast BLM holdings of the Vale Malheur Field Office maintaining the area's undeveloped character.
Access via Whitehorse Ranch Road requires high-clearance vehicle and detailed maps; verify road conditions before departure. Visit May through October; snow closes access in winter. The 100°F temperature allows for comfortable soaking after minor cooling. Carry all water and supplies; no services exist for many miles. Dispersed camping is permitted on surrounding BLM land. Afternoon thunderstorms are common in summer; monitor weather.
Historical records for this border-area spring are absent beyond its inclusion in the 1980 NOAA database. The Whitehorse Ranch area saw cattle operations from the late 1800s, with the remote location and limited water keeping settlement sparse. Northern Paiute groups historically used the broader region seasonally, though specific associations with this spring remain undocumented.
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this spring is road-accessible, so you can bring more gear.
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