Online Exhibitions

Agua Caliente Hot Spring 101

Generalized sketch showing possible relation of the Agua Caliente Hot Spring to geological surroundings

Evidence suggests that precipitation on the San Jacinto mountain range, seeping into a fractured, granitic basement complex, is the source of the Agua Caliente Hot Spring’s waters. The Hot Spring may also be associated with seismic faulting, as its orifice has been known to change locations following earthquakes.

Uniquely situated in the heart of the Agua Caliente Indian Reservation on a square mile called Section 14, the Hot Spring was known as Sec-he (“boiling water”) to Cahuilla-speaking people and as Agua Caliente (“hot water”) to early Spanish-speaking expeditions to the area. Today it is located underground near the corner of Tahquitz Canyon Way and Indian Canyon Drive – its waters collected and diverted to a spa facility in the same location. The Hot Spring's waters remain popular.

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