How high are the san bernardino mountains?

The San Gabriel Mountains are located in northern Los Angeles County and western San Bernardino County, California, USA. The mountain range forms a barrier between the Greater Los Angeles Area and the Mojave Desert. This Transverse Range lies in and is surrounded by the Angeles National Forest with the San Andreas Fault as the northern border to the range. The highest peak in the range is Mount San Antonio, commonly referred to as Mt. Baldy. Mount Wilson is another famous peak, famed for the Mount Wilson Observatory. The observatory may be visited by the public.