File:American Coot (116366771).jpeg — cc by 3.0
Murrietta Hot Springs flows at a dramatic 132°F (56°C) in Riverside County—68 degrees above ambient air temperature—with high sodium chloride content and alkaline pH typical of important southern California thermal resources. The town of Murrietta Hot Springs itself developed around this thermal resource.
The spring sits virtually roadside (8 meters) on gently rolling terrain between coastal ranges and inland valleys at 1,180 feet elevation. The immediate landscape consists of chaparral and scattered oak, with exposed tan and red soils characteristic of the region. Mineral-rich thermal water flows through a landscape typical of inland Southern California foothills.
History of Murrietta Hot Springs
Murrietta Hot Springs has supported settlement since the late 1800s when its thermal properties attracted health seekers and resort development. The spring's high sodium and chloride content, elevated pH of 9.1, and consistent temperature reflect circulation through deep fractured rock and mineral-rich aquifers.
Roadside access makes this thermal spring exceptionally convenient—just a short stop from Camino Princesa. The spring remains open year-round; spring and fall offer ideal temperatures for visiting. Expect crowds from nearby communities. The mineral-rich, alkaline water should not be ingested; respect any posted access restrictions.
Is Murrietta Hot Springs worth visiting?
Best for
- Hot spring soaking
- Easy day trips
- Overnight camping trips
Murrietta Hot Springs offers an accessible hot spring experience — great for a day trip.
Annual Precip: 13.4 in
Annual Snow: 0.1 in
January
Air 53°F · Water 132°F · +79° contrast
December
Air 53°F · Water 132°F · +79° contrast
February
Air 54°F · Water 132°F · +78° contrast
January offers 25°F more contrast than August
Recent Temperature
120.2°F
(49.0°C)
Measured Dec 02, 1964
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).
pH influences mineral absorption through skin
Higher mineral concentration for therapeutic soaking
May support bone density and joint health
Known for muscle relaxation and stress relief
Supports circulation and skin hydration
Traditionally used for skin conditions and inflammation
Natural antiseptic with skin health benefits
Swimsuit & towel
Water bottle
Stay hydrated, especially in hot water
Camping gear
Nearby camping at Wildomar Campground
Trash bag
Pack out what you pack in
Water shoes
Hot ground near source
0 miles from Murrieta Hot Springs, CA
USGS Quad: MURRIETTA 7.5 · PP 492: 170.0 · NOAA: 8.0 · AMS Map: SANTA ANA
What is the water temperature at Murrietta Hot Springs?
Murrietta Hot Springs has a water temperature of 132°F (56°C). This is considered a hot spring, well above body temperature.
Where is Murrietta Hot Springs located?
Murrietta Hot Springs is located in Riverside County, California at 1,180 feet elevation, near Murrieta Hot Springs. Coordinates: 33.5580°N, 117.1540°W.
How do I get to Murrietta Hot Springs?
Murrietta Hot Springs has Roadside road access, with the nearest road being Camino Princesa (27 ft from the road).
Can I camp near Murrietta Hot Springs?
Yes, Wildomar Campground is located nearby (10.9 miles away).
What minerals are in the water at Murrietta Hot Springs?
Water chemistry analysis shows the presence of pH, Total Dissolved Solids, Calcium, Magnesium, Sodium, Sulfate, Chloride. The pH is 9.1 (alkaline). Total dissolved solids measure 700 mg/L.
Is it safe to soak at Murrietta Hot Springs?
At 132°F, Murrietta Hot Springs is hot enough to require caution. Enter slowly, limit soaking sessions to 15–20 minutes, and stay hydrated. Access may be on private land or unconfirmed — verify current conditions before visiting. Always tell someone your plans before visiting remote hot springs.
Is Murrietta Hot Springs crowded?
Murrietta Hot Springs is accessible from a paved road, making it easy to reach. Weekends and holidays may be busier — consider visiting on a weekday for a quieter experience.
What should I bring to Murrietta Hot Springs?
Essentials for Murrietta Hot Springs: swimsuit, towel, water bottle, camping gear, a trash bag to pack out what you pack in. The water is over 110°F — test the temperature before entering and watch for scalding near the source.