San Jacinto Peak (/ˌsæn həˈsɪntoʊ, - dʒəˈ-, - jəˈ-/ SAN hə-SIN-toh, - jə-, - yə-; often designated Mount San Jacinto) is a 10,834 ft (3,302 m) peak in the San Jacinto Mountains, in Riverside County, California. Lying within Mount San Jacinto State Park it is the highest both in the range and the county, and serves as the southern border of the San Gorgonio Pass.
San Jacinto Peak is one of the most topographically prominent peaks in the United States, and is ranked the sixth most prominent peak in the 48 contiguous states. According to John W. Robinson and Bruce D. Risher, authors of The San Jacintos, "No Southern California hiker worth his salt would miss climbing 'San Jack' at least once."