Alameda Warm Springs
Alameda Warm Springs lies inside Mission Peak Regional Preserve, about five miles from Milpitas in Santa Clara County. A warm spring on park land close to a city. The water is around eighty degrees, warm on the skin and not a soak in any hot-spring sense. Access is listed as open and the land is city-owned preserve, which leaves nothing between you and it except a few hundred feet of walking.
Under five hundred feet of elevation, a few hundred feet of walking from the nearest road, on preserve land owned by a city. Snow does not fall here. Rain is about twenty inches a year. Mission Peak Regional Preserve is the land unit; fee and campground are both blank. Open access on managed park land is the main thing the record establishes.
Winter scores highest on the climate numbers, though with no snow and a mild year the spring is reachable in any season. Camping is not part of the picture; this is a day visit from the city. Nothing is charged, as far as the record shows. The water is warm, no more than that.
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 Alameda Warm 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.
- Setting
- Hillside
- The spring sits on a steep slope that climbs to the east.
- Highest ground nearby
- 334 ft above the spring
- Within a quarter mile, to the east
A slice through the ground from west to east, about 0.6 miles end to end.
Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.
That's about 1½ times the US average of 65. It's higher than at 59% 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.
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