Sandstone Peak, Santa Monica Mountains National Recreation Area

Sandstone Peak, also known as Mount Allen, is a mountain in Ventura County, California, and the highest summit in the Santa Monica Mountains with an elevation of 3,114 feet. Located near the western edge of the Santa Monica Mountains National Recreation Area, the summit provides panoramic views of Malibu, The Pacific Ocean, Santa Monica, the Conejo Valley, and four of the Channel Islands. The peak separates the drier inland valley from the coast facing side with higher humidity. The Sandstone Peak Trail, which leads to the top, connects to a vast trail system in the area, including the Backbone Trail. The mountain is highly popular with climbers, hikers, campers, and photographers. ()