San Ysidro 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.
BLM land in Sandoval County, under seven miles from Jemez Pueblo, holds San Ysidro Warm Springs. Barely warm, upper sixties, so no one is soaking here in any season. Public access is open, which is the main reason it earns a page. A 1982 sample found slightly acidic water with iron, sodium, calcium, magnesium, chloride and sulfate.
Under 400 feet on foot from the road. The BLM Rio Puerco Field Office manages it and the designation is public land. Mid elevation near 5,500 feet, a modest snow year, dry otherwise. The record names no road. The annual average is mild. Nothing on file describes the outlet or where the water goes.
Open access, no fee recorded. Too cool to soak in. Vista Linda Campground is about thirteen miles away. Winter is the season the figures favor. If the interest is in public thermal ground near Jemez Pueblo this is one of the few with open access on file.
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 San Ysidro Warm Springs.
- Setting
- Hillside
- The spring sits on a steep slope that climbs to the northwest.
- Highest ground nearby
- 284 ft above the spring
- Within a quarter mile, to the northwest
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.
That's about 1½ times the US average of 65. It's higher than at 50% 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.
The water at San Ysidro Warm Springs is slightly acidic (pH 6.1). It is notably rich in calcium (may support bone density and joint health), magnesium (known for muscle relaxation and stress relief), and sodium (supports circulation and skin hydration).
Overview Vista Linda Campground is a first come, first serve campground in the San Diego Canyon on the Jemez National Recreation Area. There are thirteen sites throughout the campground. Potable water and vault toilets are provided amenities. Each campsite has picnic tables, a fire ring, and a charcoal pedestal. Sites with shad features are available; not all sites provide shade features. Recreation Vista Linda Campground is one of five developed campgrounds in the Jemez National Recreation...
San Ysidro Warm Springs sits at 5,516 feet above sea level, way above the mile-high mark. You may not feel the altitude strongly, but hot water still dehydrates you faster at elevation. UV is about 22% stronger than at sea level, so bring sunscreen and drink more water than you normally would.
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