Essex Springs
Essex Springs emerges at 91°F in northeastern California's high desert, flowing 40.7°F warmer than the surrounding air in Modoc County's remote terrain. Just 75 feet from the road at 4,370 feet elevation, this thermal anomaly offers genuine roadside convenience near Alturas.
Rolling sagebrush and sparse vegetation surround the spring as it flows in the high desert landscape. Cold winter winds sweep across the area, with annual snowfall exceeding 44 inches contrasting sharply against the warm mineral water. The setting reflects the austere beauty of northeastern California's volcanic plateau country.
Access is straightforward via roadside parking, with the spring requiring minimal walking. The best visit window spans warmer months when road conditions are optimal and camping becomes feasible. Respectful behavior preserves the site for future visitors in this sparsely populated region.
Essex Springs sits atop ancient geothermal circulation deep in the Earth's crust, typical of the remote corners of the Basin and Range physiographic province. The spring's presence reflects underlying heat sources that have remained stable for millennia, shaped by regional geology and tectonic forces. Local Modoc area explorers have long known of this thermal anomaly.
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The campsites are mostly shaded and enjoy serene surroundings and are equiped with 12' X 12' metal corrals. A short trail runs over to the start of the Summit Trail where it heads south into the South Warner Wilderness. No wilderness permits are required however, if you plan to use a camp or backpack stove or charcoal barbeque or have a campfire outside the developed campground, you will need a current California Campfire Permit.
Essex Springs is road-accessible, so you can bring more gear.
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