Howard Springs emerges at 113 degrees Fahrenheit from the Mayacamas Mountains near Cobb in Lake County, creating a 54-degree temperature differential above ambient. The spring offers accessible thermal access in the inner Coast Ranges just north of wine country.
The spring sits at 2,131 feet elevation in mixed oak and conifer forest typical of California's transitional zones. The landscape transitions from chaparral at lower elevations to ponderosa pine and Douglas fir at higher grades, creating a diverse ecological setting.
History of Howard Springs
Located in the geologically complex inner Coast Ranges, the spring reflects broader hydrothermal activity across this volcanically influenced region. The Mayacamas Mountains form a north-south trending range shaped by tectonic activity and geothermal circulation.
Access requires only a short walk from the road, making this spring easily reached. Expect moderate temperatures year-round; the area receives about 30 inches of annual precipitation. The nearest reservable campground lies 20 miles away.
Is Howard Springs worth visiting?
Best for
- Hot spring soaking
- Easy day trips
- Overnight camping trips
Howard Springs offers an accessible hot spring experience — great for a day trip.
Annual Precip: 30.0 in
Annual Snow: 5.1 in
December
Air 45°F · Water 113°F · +68° contrast
January
Air 46°F · Water 113°F · +67° contrast
February
Air 47°F · Water 113°F · +66° 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: 58.0 · Circ 790: 47.0 · NOAA: 15.0 · AMS Map: SANTA ROSA
What is the water temperature at Howard Springs?
Howard Springs has a water temperature of 113°F (45°C). This is considered a hot spring, well above body temperature.
Where is Howard Springs located?
Howard Springs is located in Lake County, California at 2,131 feet elevation, near Cobb. Coordinates: 38.8580°N, 122.6710°W.
How do I get to Howard Springs?
Howard Springs has Roadside road access (195 ft from the road).
Can I camp near Howard Springs?
Yes, Warm Springs Rec Area is located nearby (20.1 miles away).
Is it safe to soak at Howard Springs?
At 113°F, Howard 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 Howard Springs crowded?
Howard 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 Howard Springs?
Essentials for Howard 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.