San Juan Hot Springs
San Juan Hot Springs lies inside Ronald W. Caspers Wilderness Park, a county park in Orange County, a few miles from Coto De Caza. It runs hot, above what most people sit in straight from the source. Access is listed as open. County ownership means the county's rules apply, and the walk in is short, around three or four hundred yards.
Low hills, under a thousand feet. The nearest road is unnamed and less than a quarter mile away. What rain there is comes in winter, and snow is unknown here. The land is a county wilderness park, so the ground is public. Falcon Group, about five and a half miles, is the camping on record.
The record lists the winter months, though nothing about the climate closes the area at other times. Check the water with a hand first. At this heat it can burn. Falcon Group is the camping, around five and a half miles. No fee is in the file; the county park may have its own.
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 Juan Hot 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 south.
- Highest ground nearby
- 95 ft above the spring
- Within a quarter mile, to the south
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 29% 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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Overview Falcon Group Campground has three individual group campsites just off the scenic Ortega Highway in Southern California, which connects San Juan Capistrano and Temecula Valley Highway. The pleasant climate, scenery, trail system and convenient location, make this a popular destination for groups from Los Angeles and San Diego. Hiking is especially popular among campers. Recreation Hikers of any level can find trails that challenge and accommodate their recreational goals around the...
San Juan Hot Springs is road-accessible, so you can bring more gear. The water runs hot, so extra hydration is key. Bring sun protection for exposed soaking.
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