Dangerously Hot — Not Safe for Soaking
Hot Springs (Surprise Valley) reaches 208°F, far above safe soaking levels. Contact with this water will cause severe burns. Look for cooled downstream pools or view from a safe distance only.
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Hot Springs in Surprise Valley produces water at 208 degrees Fahrenheit, creating a temperature differential of nearly 158 degrees above ambient—one of California's hottest springs. Located at 4,511 feet elevation just 84 feet from the road.
The spring emerges in remote Modoc County terrain characterized by high desert landscape. At this elevation, winters bring significant snow (49 inches annually) and summers are short, creating a stark seasonality that shapes the visitor experience.
History of Hot Springs (Surprise Valley)
Surprise Valley sits in basin-and-range topography typical of northeastern California's volcanic plateau region. The extreme temperatures reflect deep geothermal circulation through fault zones that characterize this volcanically active area.
Access is straightforward from the road, making this remote spring surprisingly accessible. Expect cold winters and brief summers; spring and fall offer the most reliable visiting conditions. The nearby Pepperdine Equestrian Campground provides base camp options.
Is Hot Springs (Surprise Valley) worth visiting?
Best for
- Viewing dramatic geothermal features
- Easy day trips
- Overnight camping trips
Hot Springs (Surprise Valley) is best appreciated as a dramatic geothermal feature rather than a place to soak.
Annual Precip: 15.6 in
Annual Snow: 49.0 in
December
Air 29°F · Water 208°F · +179° contrast
January
Air 30°F · Water 208°F · +178° contrast
February
Air 32°F · Water 208°F · +176° contrast
December offers 46°F more contrast than July
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.
Reserve on Recreation.gov →
Swimsuit & towel
Water bottle
Stay hydrated, especially in hot water
Camping gear
Nearby camping at Pepperdine Equestrian Campground
Trash bag
Pack out what you pack in
Water shoes
Hot ground near source
25 miles from Alturas, CA
USGS Quad: CEDARVILLE 15 · PP 492: 18.0 · Circ 790: 35.0 · NOAA: 8.0 · AMS Map: ALTURAS
What is the water temperature at Hot Springs (Surprise Valley)?
Hot Springs (Surprise Valley) has a water temperature of 208°F (98°C). This is considered a hot spring, well above body temperature.
Where is Hot Springs (Surprise Valley) located?
Hot Springs (Surprise Valley) is located in Modoc County, California at 4,511 feet elevation, near Alturas. Coordinates: 41.5340°N, 120.0780°W.
How do I get to Hot Springs (Surprise Valley)?
Hot Springs (Surprise Valley) has Roadside road access (84 ft from the road).
Can I camp near Hot Springs (Surprise Valley)?
Yes, Pepperdine Equestrian Campground is located nearby (10.3 miles away).
Is it safe to soak at Hot Springs (Surprise Valley)?
The water at Hot Springs (Surprise Valley) reaches 208°F, which can cause severe burns. Do not enter the source pool directly — look for cooled side pools or downstream areas where the water has cooled to a safe temperature. Access may be on private land or unconfirmed — verify current conditions before visiting. Always tell someone your plans before visiting remote hot springs.
Is Hot Springs (Surprise Valley) crowded?
Hot Springs (Surprise Valley) 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 Hot Springs (Surprise Valley)?
Essentials for Hot Springs (Surprise Valley): 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.