Murrietta Hot Springs
Murrieta Hot Springs, spelled Murrietta in this record, is a hot spring inside the town of the same name in Riverside County. The source temperature is well above what skin tolerates, in the 130s, so any soaking depends on cooling. Who owns it, and who may enter, the record leaves blank. Camino Princesa runs right past.
Roadside in every sense, under thirty feet from Camino Princesa, on low ground at about twelve hundred feet. The climate is mild and dry, with no snow and around a foot of rain most years. No land unit shows on the record.
The record picks December through February. Hot enough to burn at the source; do not get in there. The chemistry on file is from the 1960s, alkaline and moderately mineralized, and may not describe the spring today. Wildomar campground is about eleven miles away. Access status is unrecorded.
The USGS inventories the spring as site 333333117092201, and the water chemistry on file comes from a sample taken there in December 1964.
Aircraft with laser scanners measured this ground to within inches. The scan strips out trees and buildings, leaving the bare shape of the land around Murrietta Hot Springs.
Drag the handle to compare the two views. The orange dot marks the spring, in a frame about three quarters of a mile wide.
- Setting
- Hillside
- The spring sits on a steep slope that climbs to the northeast.
- Highest ground nearby
- 109 ft above the spring
- Within a quarter mile, to the northeast
A slice through the ground from north to south, about 0.6 miles end to end.
Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.
That's about 1½ times the US average of 65. It's higher than at 29% of the springs on this site.
Heat flow measures the warmth working its way up through the ground from deep inside the earth. Where it runs high, rain and snowmelt that seep down through cracks in the rock come back up hot.
See every spring on the geothermal heat map →
Heat flow estimate: Stanford Thermal Earth Model (Aljubran & Horne, 2024), CC BY 4.0.
The water at Murrietta Hot Springs is alkaline (pH 9.1) with 700 mg/L total dissolved solids. It is notably rich in chloride (natural antiseptic with skin health benefits).
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11 sites available. Wildomar Campground is currently closed due to the Wildomar Fire until further notice.
Murrietta Hot Springs is road-accessible, so you can bring more gear. The water runs hot, so extra hydration is key.
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