Best Trails in Limestone Canyon Regional Park
Nearly 40,000 acres of open space on the historic Irvine Ranch have been designated a Natural Landmark by both the State of California and the U.S. Department of the Interior. This honor recognizes the exceptional value of these lands to California and the entire nation. This land is part of the 50,000 acres of permanently protected land preserved on the historic Irvine Ranch.
The Irvine Ranch Natural Landmarks contain important natural habitats and unusual geological formations. The landscape is home to hundreds of species of plants and animals, including eagles, badgers, mountain lions, Tecate cypress trees, and many rare species of birds, reptiles, amphibians and plants. Scientists have identified this region as one of the world