Franklin Hot Springs
Franklin Hot Springs sits at 864 feet elevation in San Luis Obispo County's gentle rolling terrain near Paso Robles, positioned just 46 feet from the nearest road in California's Central Coast wine country. Modern recorded data omits the water temperature, suggesting either seasonal variability or limited recent investigation of this geothermal feature.
The setting reflects the oak-dotted grasslands and chaparral characteristic of the Central Coast. Annual temperatures average 60.9°F with minimal precipitation (11.3 inches) and virtually no snow, creating a mild Mediterranean climate. The roadside location makes the spring easily accessible, situated in landscape gradually transitioning from the Sierra Nevada's eastern influence toward coastal conditions.
Franklin Hot Springs taps geothermal circulation in bedrock beneath the Central Coast, part of a regional heat-flow pattern distinct from the more vigorous systems of the Sierra Nevada or northeastern California. The spring's geological history reflects millions of years of crustal heat generation and circulation through fractured rock systems. The unnamed formation suggests this site may have limited historic documentation.
Roadside parking and minimal walking distance provide exceptional ease of access. The site's location 19.8 km from Cerro Alto Campground offers a nearby base for visitors. Spring through fall provides optimal visiting conditions in this mild climate. Contact local San Luis Obispo County resources for current site conditions and any recent thermal measurements.
Is Franklin Hot Springs worth visiting?
Best for
- Easy day trips
- Overnight camping trips
Overview Cerro Alto Campground is a well-known hiking and mountain biking paradise. It is located a short distance from the sandy beaches of Morro Bay, where visitors enjoy surfing, fishing, kayaking, sailing, scuba diving and more. While the campground offers a serene, relaxed environment, both Morro Bay and the nearby town of Atascadero offer numerous dining opportunities, shopping, museums and other activities. Wine Tasting in the Tempelton, Paso Robles Area is also a very popular experi...