San Jacinto Peakis the highest peak in Riverside County, California. It is part of the San Jacinto Mountains, and lies within Mount San Jacinto State Park. To the east, the peak towers over the city of Palm Springs; to the west, it borders the mountain community of Idyllwild. The peak is also frequently named i]Mount San Jacinto. North face of San Jacinto Peak- the mountain, like the ones at [spam link deleted], is favorable for hiking, camping or any outdoor activity.