Quick FactsOverview
About Big Caliente Hot Springs
Big Caliente Hot Springs, California is a free natural hot spring in Los Padres National Forest in the Santa Ynez Mountains north of Santa Barbara. The main pool is a concrete soaking tub adjacent to the parking area, fed by a geothermal source that emerges at approximately 115 degrees Fahrenheit, with flow controlled via diversion valves so visitors can adjust the temperature. A second primitive pool sits below the source beside the creek, and a third pool across the creek is fed by a separate spring.
The springs are open for day use from 6am to 10pm daily and there is no entry fee. Camping is not permitted at the springs, though Rock Camp campground is approximately one-third of a mile away. The water is rich in soda compounds and the main pool includes a changing room and vault toilet. The site is managed by the Los Padres National Forest and a resident ranger patrols the area.
The springs sit in a canyon in the Santa Ynez Mountains at approximately 1,500 feet elevation. The surrounding natural hot springs in California are among the few accessible geothermal sites within driving distance of Santa Barbara. Little Caliente Hot Springs, a set of smaller rock-lined pools, is located approximately 5 miles away and is often visited in combination with Big Caliente.
Location & Access
Getting to Big Caliente Hot Springs
Big Caliente Hot Springs is reached from Santa Barbara by taking Highway 154 north from Highway 101, turning east on East Camino Cielo at the San Marcos Pass summit, and following the forest road approximately 23 miles to Pendola Station, then turning north on Forest Road 5N15 for approximately 3 more miles to the hot springs. Total driving time from Santa Barbara is approximately one hour and 45 minutes under good conditions.
The access road is a clay dirt forest road that becomes dangerously slippery when wet. The Los Padres National Forest closes the gate before and during forecasted rain events. When the gate is closed, visitors can hike in, but the total one-way distance becomes approximately 11 to 13 miles. A high-clearance vehicle with four-wheel drive is strongly recommended even in dry conditions. Visitors should check current road and closure conditions with the Los Padres National Forest before departing.
The main pool at Big Caliente is directly adjacent to the parking area, so no trail hiking is required once the road is passable. For visitors looking for natural hot springs near Santa Barbara, Big Caliente is the primary undeveloped geothermal option in the region. The drive is too long to discover a closure on arrival, so checking conditions in advance is essential for planning a successful visit.
Suitability & Accessibility
Who Should Visit Big Caliente Hot Springs
Big Caliente Hot Springs suits visitors comfortable with remote, undeveloped natural springs and prepared for a long drive on rough forest roads. It is free, open year-round when the road is passable, and the main pool is directly at the parking area with no hiking required. Families with children can visit, and the main concrete pool and surrounding area are noted as wheelchair accessible, making it one of the more accessible backcountry hot springs in California when road conditions allow.
The site is primitive: there is a vault toilet and changing room at the main pool but no other facilities. Visitors should bring their own water, food, and supplies. The shaded canyon setting with a creek nearby makes it pleasant in warm weather. The absence of a fee and the free-flowing mineral pools make it popular with soakers who prefer undeveloped environments over managed resort settings.
Those seeking free natural hot springs in California with drive-up access will find Big Caliente a strong option when road conditions permit. The road closure pattern makes this unsuitable for a spontaneous visit after rain. Visitors should confirm access the day before any planned trip, as closures can occur with little notice and the round-trip drive from Santa Barbara is significant enough that an unexpected closure at the gate represents a wasted journey.
Safety & Etiquette
Safety at Big Caliente Hot Springs
Big Caliente Hot Springs is a remote area with natural hazards. The geothermal source emerges at approximately 115 degrees Fahrenheit, which is hot enough to cause burns on contact. The diversion valve on the main pool allows temperature control, and visitors should always test water temperature before entering and reduce flow from the source as needed. Children should not be left unsupervised near the pool or spring source.
The access road is the primary safety risk for most visitors. Clay roads that are wet become severely slippery, and vehicles can become stuck on the switchbacks. Visitors should arrive with a vehicle in good mechanical condition, carry a spare tire, and bring emergency supplies including water, food, and a communication device. Cell service is not available at the springs, and the nearest medical facilities are in Santa Barbara, approximately 1.5 to 2 hours away.
Flash flooding is possible in the creek after rain events upstream. Visitors should avoid extended time in the creek bed when storms are forecast in the watershed. The Los Padres National Forest may also close the area for fire risk during dry season, and visitors should check for active fire or emergency closures before arriving.
Day-use hours are 6am to 10pm. No alcohol or glass containers are permitted. The on-site ranger patrols the area regularly. Visitors should carry out all trash. Visitors should inform someone of their plans and expected return time before setting out for this remote location, as the nearest assistance is far from the springs.
