De Luz Warm Springs
De Luz Warm Springs emerges at 85°F from the rolling hills of northern San Diego County near Fallbrook, where water surfaces just 20 degrees above ambient temperature. Located immediately roadside at 401 feet elevation, this accessible thermal feature offers convenient observation of geothermal activity in Southern California's coastal ranges.
The spring pools along De Luz Road with direct access from the highway, surrounded by rolling chaparral and oak woodland hills typical of San Diego's interior foothill landscape. The slightly alkaline water (pH 9.5) with elevated sodium levels reflects passage through coastal mineral formations beneath the surface.
The spring sits immediately beside De Luz Road, providing roadside access at low elevation near Fallbrook. Visit October through May when desert temperatures remain comfortable. Wildomar Campground lies 16.3 kilometers away, though currently affected by wildfire impacts. Bring water and respect private land boundaries surrounding the site.
De Luz Warm Springs represents modest geothermal activity in a region where thermal features are relatively sparse. The spring's accessibility and roadside location made it historically significant for settlers and travelers moving through San Diego County's interior regions.
The water at De Luz Warm Springs is alkaline (pH 9.5) with 246 mg/L total dissolved solids.
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11 sites available. Wildomar Campground is currently closed due to the Wildomar Fire until further notice.
De Luz Warm Springs is road-accessible, so you can bring more gear.
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