Agua Caliente Springs

If you're passing

Is it plungeworthy?

—temperature

A natural thermal spring.

Scale30/60

Documentation14/20

Character10/20

The details

Soak: Temperature unrecorded
Area: San Diego
Coordinates: 32.947, -116.305

Get directions →

About Agua Caliente Springs

Agua Caliente Springs is a natural hot spring in California.

At that temperature it's temperature unrecorded — check current conditions and always test the water before getting in.

Plungeworthy rates Agua Caliente Springs 5.4/10 — if you're passing. The score weighs its scale, how confidently it's mapped, and its character.

What you'll find

A San Diego County park built around desert geothermal water at the edge of Anza-Borrego country: a big outdoor pool in the low 90s, a warm kids' wading pool, and an indoor adults-only jetted spa at 102°F. A swimsuit county-park operation with 140+ campsites out the door — the family-trip hot spring of Southern California.

Getting there

Parking: On-site paved lot, $5/vehicle day use
Road: Paved County Highway S2, about 33 miles southeast of Julian
Hike: 0 mi round trip (easy)
Heads up: Four miles of desert hiking trails ring the park (no dogs on trails).

When to go

This one runs on a desert calendar: open the Friday of Labor Day weekend through Memorial Day, then closed all summer for heat. November through February is the sweet spot — 70-degree days, warm pools, packed weekend campground.

Rules & fees

Fee / pass: $5/vehicle day use + $7/person pool entry (campers swim free)
Dogs: Campground only, leashed, vaccination proof required — not on trails or pool decks
Hours: Pools roughly 9:30am–5pm in season
Camping: On-site: 140+ sites and seven cabins, reservable a year out via sdparks.org
Warnings: No lifeguards; flash-flood risk during desert storms; spotty cell service.

Researched from San Diego County Parks — Agua Caliente · Wikipedia — Agua Caliente County Park. Conditions change — verify before you drive. Been to Agua Caliente Springs recently? Post a conditions report below.

Where it is

Before you go

The pin marks the feature, not a trailhead or a legal route in. Some sit on private land or need a real hike, and conditions change with season and rain. Check local access, don't trespass, and never enter water — hot or cold — where it isn't safe.