The forest contains San Gorgonio Mountain, which reaches an elevation of 11,499 feet, making it the highest peak in Southern California.
It acts as a critical water source, capturing runoff that supplies the semi-arid basins of the Inland Empire and Los Angeles.
The forest includes the Santa Rosa and San Jacinto Mountains National Monument, managed cooperatively with the Bureau of Land Management.
The 1925 Rim of the World Highway drive follows a ridge line that provides panoramic views of the San Bernardino Valley.
There are over 100 miles of the Pacific Crest Trail passing through the forest boundaries.
San Bernardino National Forest encompasses over 800,000 acres of Southern California mountainous terrain, ranging from 2,000 to 11,499 feet in elevation. The forest features the San Bernardino and San Jacinto mountains, providing diverse ecosystems from chaparral to alpine coniferous forests. Visitors access over 600 miles of non-motorized trails, including portions of the Pacific Crest Trail. The landscape serves as a vital watershed for Southern California and a habitat for sensitive species like the California spotted owl and mountain yellow-legged frog. The forest manages multiple wilderness areas, including San Gorgonio, the highest point in Southern California. Camping is permitted in designated developed campgrounds and designated dispersed camping areas, subject to fire restrictions. Scenic byways like the Rim of the World Highway offer direct vehicular access to elevated forest vistas. Seasonal snowpack supports winter recreation, while summer months are primarily used for hiking and water-based activities at forest lakes. Access to specific remote areas may require a National Forest Adventure Pass.
The overlooks along Highway 18, specifically near the Rim of the World Vista Point.
Check the official USDA Forest Service website for current fire restrictions and permit requirements before departure.
High-elevation areas experience rapid weather changes; pack layers even during summer months.
Practice Leave No Trace principles, as the high-traffic areas suffer from significant impact.
Attempting to drive on unmaintained fire roads without a 4WD vehicle and avoiding high-traffic trails during holiday weekends.
Some high-elevation campgrounds and trails are closed or inaccessible due to snow accumulation from late autumn through spring.
Strict adherence to wildfire prevention protocols is mandatory; adhere to marked trails to protect sensitive alpine vegetation.