Mineral Hot Springs
Mineral Hot Springs emerges at 140°F in Saguache County at 7,744 feet elevation in the northern San Luis Valley, where thermal water surfaces just 196 feet from the nearest road in an arid sagebrush landscape.
The spring flows in high desert conditions where sagebrush, cottonwood, and piñon dominate the sparse vegetation. The thermal water emerges in open terrain offering views across the San Luis Valley toward distant peaks. The climate here remains exceptionally dry, with strong sun exposure and minimal cloud cover characterizing the landscape.
This roadside-accessible spring offers convenient approach in the scenic northern San Luis Valley. Summer and early fall provide ideal conditions, though the location remains accessible during much of the year at this elevation. Minimal facilities exist nearby; stock supplies in Saguache before visiting. The arid climate means bright sun and potential for rapid temperature changes.
Mineral Hot Springs water derives from geothermal circulation beneath the San Luis Valley, one of the most geologically active regions of Colorado with continuing subsidence and heat flow. The spring's modest mineralization with 140 mg/L sodium and 160 mg/L sulfate indicates relatively straightforward ascent from depth in this high-altitude valley setting.
The water at Mineral Hot Springs is slightly alkaline (pH 7.3).
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Coaldale Campground is located on the banks of Hayden Creek and is a quiet campground with only 10 campsites. Most of the campsites are walk-in sites with small parking areas. The area is thick with gamble oak, juniper, and cottonwood trees . Sites 1-5 are walk-in sites for tent camping. Vault toilet is available only during peak season
Mineral Hot Springs sits at 7,744 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 31% stronger than at sea level, so bring sunscreen and drink more water than you normally would.
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Mineral Hot Springs is road-accessible, so you can bring more gear. The water runs hot, so extra hydration is key. Cold air temperatures make a changing robe or warm layers essential.
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Springs Near Mineral Hot Springs
More Springs Around 140°F
Slightly Alkaline Springs (pH ~7.3)
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