Gap Spring
Gap Spring flows at 73 degrees Fahrenheit on BLM Tonopah Field Office land at 4,656 feet elevation, emerging 25.1 meters from Emigrant Pass Road. The water chemistry shows high mineralization with sodium at 1,320 milligrams per liter and chloride at 1,550 milligrams per liter, creating intensely saline conditions 15.6 degrees above ambient temperature.
Located in Inyo County at 4,656 feet, the spring occupies one of Nevada's most arid zones, receiving just 4.8 inches of annual precipitation with 11.2 inches of snow. The landscape consists of exposed desert pavement and sparse creosote bush vegetation, with barren mountains rising from the valley floor. The spring emerges near Emigrant Pass Road, which crosses this section of the Tonopah basin between scattered mining claims and undisturbed federal rangeland.
Visit during cooler months from October through April when daytime temperatures remain tolerable in this low-elevation desert. Bring abundant water despite the spring's presence, as high salinity makes it unsuitable for drinking. The roadside location requires no hiking, but verify road conditions with BLM Tonopah Field Office. Extreme summer heat exceeds 100 degrees Fahrenheit regularly.
The name Gap Spring likely references a topographic feature such as a pass or saddle near the thermal discharge point. Historical records provide minimal detail on early use, though the Emigrant Pass Road name suggests 19th-century wagon routes through this region. The spring has remained undeveloped on BLM property subject to mining claims and grazing permits under multiple-use mandates.
The water at Gap Spring is slightly alkaline (pH 8.4) with 4388 mg/L total dissolved solids. It is notably rich in magnesium (known for muscle relaxation and stress relief), sodium (supports circulation and skin hydration), and sulfate (traditionally used for skin conditions and inflammation).
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Gap Spring is road-accessible, so you can bring more gear.
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