Hildebrande Spring

Lake County, California · Near Soda Bay
38.9250°N, 122.7700°W · 2,155 ft
77°F 2,155 ft Roadside Camping nearby (18.9 mi)

Hildebrande Spring emerges at 77°F in Lake County near Soda Bay, positioned 88 yards from the road at 2,155 feet elevation in the Mayacamas Mountains. Running 18°F warmer than ambient air, this modest thermal feature sits in mixed hardwood and conifer forest.

Location

The spring rises from mountainous terrain that separates Lake County from Napa Valley's wine country. Mixed hardwood and conifer forests provide shade and shelter, with the thermal feature emerging in rocky, forested terrain. The landscape reflects the mountain barrier between two distinct California regions.

The spring sits 88 yards from the nearest road, accessible with a short walk. The mountainous elevation experiences substantial precipitation—28 inches annually—with occasional winter snow around 7 inches. The climate averages 58°F, creating cool conditions that make the thermal water more pleasant for soaking.

History of Hildebrande Spring

Hildebrande Spring emerges from the geological boundary between the Mayacamas Mountain range and surrounding valleys. The modest thermal output reflects crustal heat rising from deeper sources. This area represents geothermal activity scattered throughout the northern Coast Ranges.

Monthly Climate
45°
Jan
46°
Feb
48°
Mar
54°
Apr
60°
May
70°
Jun
75°
Jul
75°
Aug
70°
Sep
62°
Oct
51°
Nov
45°
Dec
Annual Precip: 27.7 in Annual Snow: 7.4 in
Best Time to Visit
January Air 45°F · Water 77°F · +32° contrast
December Air 45°F · Water 77°F · +32° contrast
February Air 46°F · Water 77°F · +31° contrast
January offers 30°F more contrast than August
Current Conditions
56°F
SW 0.0 mph 90% Good soaking weather
Thursday 76° Low 53° Sunny
Spring is +1° warmer
Friday 76° Low 53° Sunny
Spring is +1° warmer
Saturday 80° Low 57° Sunny
Sunday 82° Low 58° Mostly Sunny
Monday 89° Low 62° Mostly Sunny
Where to Stay

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Nearby Camping
Warm Springs Rec Area 18.9 mi away

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...

Reservable Yes
Reserve on Recreation.gov →
Temperature
77°F
Warm Hot Boiling
Water Temp 77°F (25°C)
Avg Air Temp 59°F
Above Ambient +19°F
Mild soaking conditions May
Access
Road Access Roadside
Distance to Road 288 ft
Frequently Asked Questions
What is the water temperature at Hildebrande Spring?
Hildebrande Spring has a water temperature of 77°F (25°C). This is a warm thermal spring.
Where is Hildebrande Spring located?
Hildebrande Spring is located in Lake County, California at 2,155 feet elevation, near Soda Bay. Coordinates: 38.9250°N, 122.7700°W.
How do I get to Hildebrande Spring?
Hildebrande Spring has Roadside road access (288 ft from the road).
Can I camp near Hildebrande Spring?
Yes, Warm Springs Rec Area is located nearby (18.9 miles away).
Is it safe to soak at Hildebrande Spring?
Hildebrande Spring is generally safe for soaking at its recorded 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 Hildebrande Spring crowded?
Hildebrande Spring 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 Hildebrande Spring?
Essentials for Hildebrande Spring: swimsuit, towel, water bottle, camping gear, a trash bag to pack out what you pack in.