At 172°F, the source water at Calistoga Hot Springs is hot enough to cause burns. Some hot springs this hot have cooler side pools or downstream areas suitable for soaking — always test the water temperature before entering.
File:Indian Springs Resort and Spa - Stierch 16.jpg — cc by 4.0
Calistoga Hot Springs surges at an impressive 172°F from the northern Napa Valley at just 353 feet elevation, creating one of the region's most powerful thermal discharges. Located merely 6 feet from the roadway, this spring flows 110°F above ambient temperature in the heart of California wine country.
The spring emerges at the northern end of the Napa Valley floor, where geology transitions from the valley's alluvial sediments toward the volcanic terrain of the Cascade Range. Mild Mediterranean climate vegetation—oak, bay laurel, and native grasses—surrounds the thermal feature. The spring's robust thermal output produces abundant steam and hot water in a developed area adjacent to the historic town of Calistoga, blending natural thermal power with human infrastructure.
History of Calistoga Hot Springs
Calistoga Hot Springs, historically operating continuously as a geothermal resort since the early 1900s, represents California's most developed hot springs destination. The spring's name derives from a supposed portmanteau of Calistoga's founder's vision combining California" and "Saratoga." The thermal output reflects the Napa Valley's position on the San Andreas Fault system
where crustal heat and mineral-rich geothermal fluids circulate through surrounding rock layers."
Is Calistoga Hot Springs worth visiting?
Best for
Observing powerful hot springs
Easy day trips
Overnight camping trips
Not ideal for
Casual soaking
Calistoga Hot Springs is well suited for observing powerful hot springs and easy day trips.
Monthly Climate
50°Jan
52°Feb
54°Mar
59°Apr
64°May
72°Jun
74°Jul
74°Aug
72°Sep
66°Oct
56°Nov
50°Dec
Annual Precip: 26.9 inAnnual Snow: 0.2 in
Best Time to Visit
DecemberAir 50°F · Water 172°F · +123° contrast
JanuaryAir 50°F · Water 172°F · +122° contrast
FebruaryAir 52°F · Water 172°F · +120° contrast
December offers 25°F more contrast than August
Nearby Camping
Oak Shores Day Use Area (Ca)18.5 mi away
Overview
Nestled between Blue Ridge and Cedar Roughs east of Napa Valley, Lake Berryessa provides ample public recreation opportunities. Popular activities on and around the large, yet uncrowded lake include fishing, boating, water skiing, wake boarding, jet skiing, sailing, swimming, kayaking, canoeing, wildlife viewing, hiking, biking and picnicking. The Dufer Point Visitor Center offers year-round interpretive events and exhibits highlighting natural and cultural resources.
Lake Berrye...
USGS Quad: CALISTOGA 7.5 · PP 492: 81.0 · Circ 790: 50.0 · NOAA: 30.0 · AMS Map: SANTA ROSA
Frequently Asked Questions
What is the water temperature at Calistoga Hot Springs?
Calistoga Hot Springs has a water temperature of 172°F (78°C). This is considered a hot spring, well above body temperature.
Where is Calistoga Hot Springs located?
Calistoga Hot Springs is located in Napa County, California at 353 feet elevation, near Calistoga. Coordinates: 38.5800°N, 122.5750°W.
How do I get to Calistoga Hot Springs?
Calistoga Hot Springs has Roadside road access (21 ft from the road).
Can I camp near Calistoga Hot Springs?
Yes, Oak Shores Day Use Area (Ca) is located nearby (18.5 miles away).
Is it safe to soak at Calistoga Hot Springs?
The water at Calistoga Hot Springs reaches 172°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 Calistoga Hot Springs crowded?
Calistoga 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 Calistoga Hot Springs?
Essentials for Calistoga 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.
