San Jacinto Peak (often designated Mount San Jacinto, pronounced or ) is the highest peak of the San Jacinto Mountains, and of Riverside County, California. It lies within Mount San Jacinto State Park. Naturalist John Muir wrote of San Jacinto Peak, "The view from San Jacinto is the most sublime spectacle to be found anywhere on this earth!"San Jacinto Peak is one of the most topographically prominent peaks in the United States.