Leonards Hot Springs
Leonards Hot Springs discharges at 144°F in remote Modoc County high desert near Alturas, standing 94°F above the frigid local average of 50°F. The spring sits at 4,549 feet elevation where it remains largely isolated despite short-walk access from County Road 18.
The spring lies 233 meters from County Road 18 through characteristic high desert terrain of northeastern California: sagebrush flats, scattered juniper, and low vegetation adapted to harsh climate conditions. Winter brings significant snow—averaging 52 inches annually—transforming the landscape into a cold, isolated environment. The spring's 144°F water creates visible steam plumes during colder months when temperature contrast becomes dramatic. Surrounding terrain remains largely undeveloped, preserving views across expansive high-desert valleys. The discharge creates thermal oasis amid frozen winter landscape.
Leonards Hot Springs formed in the Modoc Plateau's geothermal system where subsurface heat drives water circulation through volcanic and sedimentary rock. The 144°F temperature—94°F above ambient—indicates robust geothermal heat input characteristic of this region's ongoing thermal activity. The spring sits within country historically used by Native American peoples and explored by early Euro-American prospectors seeking both hot springs and mineral resources. Its remote location preserved it from intensive development.
Access requires short walk (233 meters) from County Road 18 through sagebrush terrain; parking requires careful vehicle positioning near the road. Winter travel becomes dangerous; visit October through May when snow depth permits safe access. Water temperature can cause burns; exercise caution near discharge and hot pools. Pepperdine Equestrian Campground sits 21 kilometers away, though it operates on first-come, first-served basis with limited facilities. The location suits visitors seeking isolation and authentic high-desert thermal experience. Alturas, 40 kilometers south, provides supplies and services.
Is Leonards Hot Springs worth visiting?
Best for
- Observing powerful hot springs
- Overnight camping trips
Not ideal for
- Casual soaking
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.