Tolenas Springs
Drag the handle to compare the two views. The orange dot marks the spring, in a frame about three quarters of a mile wide.
Tolenas Springs, in Solano County, is a barely warm spring a few miles outside Fairfield. At under seventy degrees the water is cooler than a warm bath; you would notice it is warm, and not much more. Getting there means leaving the road and walking a bit. Ownership and access are unrecorded, which for a spot this near a city is the thing to settle first.
Low rolling country at around seven hundred feet, no snow, with a wettish winter. The road ends six tenths of a mile short of the springs, and the record does not name it. no manager is on record and so is the designation. Oak Shores, a day use area twenty miles off, is the closest camping listing and will not take overnighters.
Winter months are best on paper, and the weather here rarely blocks access. Short walk class. No overnight camping nearby in our data. With the water barely warm and nothing recorded about access, this is a curiosity. Check ownership before going.
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 Tolenas Springs.
- Setting
- Hillside
- The spring sits on a steep slope that climbs to the southwest.
- Highest ground nearby
- 168 ft above the spring
- Within a quarter mile, to the southwest
A slice through the ground from north to south, about 0.6 miles end to end.
Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.
That's about twice the US average of 65. It's higher than at 88% 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.
See every spring on the geothermal heat map →
Heat flow estimate: Stanford Thermal Earth Model (Aljubran & Horne, 2024), CC BY 4.0.
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...
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