Napa Vichy Springs

Napa County, California · Near Napa
38.3390°N, 122.2590°W · 600 ft
76°F 54°F air · Good soaking weather 600 ft Roadside Camping nearby (15.3 mi)
Aerial view of the ground around Napa Vichy Springs LiDAR bare-earth view of the same ground around Napa Vichy Springs
Aerial LiDAR bare earth

Drag the handle to compare the two views. The orange dot marks the spring, in a frame about three quarters of a mile wide.

Napa Vichy Springs sits beside Monticello Road a few miles outside the city of Napa. Lukewarm is the word for the water here, comfortable to the hand and well short of bath temperature. The USGS logs it as a monitoring site. Whether the public can visit is not on record, and nothing in the file names an owner, so assume it could be on private ground until you learn otherwise.

Location
11 miles from American Canyon, CA

This is low hill country on the edge of town, a few hundred feet up. The spring is a stone's throw from the road; the record puts it about a hundred and twenty feet from Monticello Road. Winters here are wet and mild without snow, and summers dry out. Nothing describes the ground around the outlet, and there is no land unit or designation attached.

December through February is the listed window. The water is lukewarm, so plan on something closer to a cool bath than a soak. Roadside, though ownership is not recorded; look for signs and ask around. The closest camping listed is Oak Shores, a day use area about fifteen miles away, and the name says day use only. No fee is recorded.

Terrain

Aircraft with laser scanners measured this ground to within inches. The scan strips out trees and buildings, leaving the bare shape of the land around Napa Vichy Springs.

Setting
Open ground
Flat, open ground all around.
Highest ground nearby
42 ft above the spring
Within a quarter mile, to the east
Cross-section through the spring

A slice through the ground from northwest to southeast, about 0.6 miles end to end.

Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.

Heat Below
167 milliwatts per square meter of heat flow

That's about 2½ times the US average of 65. It's higher than at 96% of the springs on this site.

Heat flow measures the warmth working its way up through the ground from deep inside the earth. Where it runs high, rain and snowmelt that seep down through cracks in the rock come back up hot.

Heat flow estimate: Stanford Thermal Earth Model (Aljubran & Horne, 2024), CC BY 4.0.

Monthly Climate
49°
Jan
52°
Feb
54°
Mar
59°
Apr
63°
May
70°
Jun
71°
Jul
71°
Aug
70°
Sep
65°
Oct
55°
Nov
49°
Dec
Annual Precip: 23.0 in Annual Snow: 0.0 in
Best Time to Visit
January Air 49°F · Water 76°F · +27° contrast
December Air 49°F · Water 76°F · +27° contrast
February Air 52°F · Water 76°F · +24° contrast
January offers 22°F more contrast than August
Current Conditions
54°F
Mostly Cloudy N 0.0 mph 94% Good soaking weather
Today 80° Low 52° Areas Of Fog then Sunny
Wednesday 74° Low 52° Patchy Fog then Partly Sunny 1% precip
Spring is +2° warmer
Thursday 78° Low 53° Areas Of Fog then Mostly Sunny
Friday 83° Low 53° Areas Of Fog then Sunny
Saturday 81° Low 53° Areas Of Fog then Mostly Sunny
Where to Stay

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Nearby Camping
Oak Shores Day Use Area (Ca) 15.3 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...

Reservable Yes
Reserve on Recreation.gov →
Temperature
76°F
Warm Hot Boiling
Water Temp 76°F (24°C)
Avg Air Temp 61°F
Above Ambient +15°F
Mild soaking conditions September
Access
Road Access Roadside
Nearest Road Monticello Road
Distance to Road 124 ft
Frequently Asked Questions
What is the water temperature at Napa Vichy Springs?
Napa Vichy Springs has a water temperature of 76°F (24°C). This is a warm thermal spring.
Where is Napa Vichy Springs located?
Napa Vichy Springs is located in Napa County, California at 600 feet elevation, near Napa. Coordinates: 38.3390°N, 122.2590°W.
How do I get to Napa Vichy Springs?
Napa Vichy Springs has Roadside road access, with the nearest road being Monticello Road (124 ft from the road).
Can I camp near Napa Vichy Springs?
Yes, Oak Shores Day Use Area (Ca) is located nearby (15.3 miles away).
Sources: USGS NWIS