Sandstone Peak, officially Mount Allen, is the highest summit in the Santa Monica Mountains with an elevation of 3,111 feet (948.2 m). Located near the western edge of the Santa Monica Mountains National Recreation Area, the summit provides breathtaking views of Malibu, The Pacific Ocean, Santa Monica, the Conejo Valley, and four of the Channel Islands. 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, and photographers.[1]