Seigler Springs emerges at an impressive 126°F in Lake County's volcanic landscape, where a historic 19th-century resort developed around these powerful thermal features. The 68-degree temperature rise reflects robust geothermal circulation through the region's volcanic geology.
The spring sits virtually roadside at 2,293 feet elevation near Cobb, accessible just 31 feet from Seigler Canyon Road. The surrounding volcanic terrain features pine and oak forest, with seasonal creeks and mountain vistas. The area is heavily forested compared to California's lower-elevation thermal springs.
History of Seigler Springs
Seigler Springs became a resort destination in the 19th century, with major expansion in the 1930s and an airport opening nearby in 1947. The resort experienced decline in the 1960s, but the springs remain geologically significant as windows into Lake County's volcanic history.
The spring is readily accessible from Seigler Canyon Road. Visit spring through fall for comfortable mountain-forest conditions. Winter snowfall (5 inches annually) may affect access. Respect any private property or closure notices on the grounds.
Is Seigler Springs worth visiting?
Best for
- Hot spring soaking
- Easy day trips
- Overnight camping trips
Seigler Springs offers an accessible hot spring experience — great for a day trip.
Annual Precip: 30.0 in
Annual Snow: 5.1 in
December
Air 44°F · Water 126°F · +82° contrast
January
Air 45°F · Water 126°F · +81° contrast
February
Air 46°F · Water 126°F · +80° contrast
December offers 32°F more contrast than July
Overview
Warm Springs Recreation Area is a day-use park located at Lake Sonoma, which is just a 45 minute drive north of Santa Rosa and a 2 hour trip from San Francisco. There is no overnight camping available at this facility
World famous vineyards and a land rich in history surround the lake, where visitors enjoy boating, fishing and exploring the area's extensive trail network.Recreation
The Woodland Ridge Nature Trail begins at the park and winds up the ridge, rewarding hikers with great...
Reserve on Recreation.gov →
Swimsuit & towel
Water bottle
Stay hydrated, especially in hot water
Camping gear
Nearby camping at Warm Springs Rec Area
Trash bag
Pack out what you pack in
Water shoes
Hot ground near source
USGS Quad: WHISPERING PINES 7.5 · PP 492: 59.0 · Circ 790: 47.0 · NOAA: 14.0 · AMS Map: SANTA ROSA
What is the water temperature at Seigler Springs?
Seigler Springs has a water temperature of 126°F (52°C). This is considered a hot spring, well above body temperature.
Where is Seigler Springs located?
Seigler Springs is located in Lake County, California at 2,293 feet elevation, near Cobb. Coordinates: 38.8730°N, 122.6890°W.
How do I get to Seigler Springs?
Seigler Springs has Roadside road access, with the nearest road being Seigler Canyon Road (101 ft from the road).
Can I camp near Seigler Springs?
Yes, Warm Springs Rec Area is located nearby (19.8 miles away).
Is it safe to soak at Seigler Springs?
At 126°F, Seigler Springs is hot enough to require caution. Enter slowly, limit soaking sessions to 15–20 minutes, and stay hydrated. Access may be on private land or unconfirmed — verify current conditions before visiting. Always tell someone your plans before visiting remote hot springs.
Is Seigler Springs crowded?
Seigler 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 Seigler Springs?
Essentials for Seigler 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.