The Skyline-to-the-Sea Trail is a 25-mile route in Big Basin Redwoods State Park, from the Waddell Creek TH to the Saratoga Gap TH.

The Backbone Trail is the continuous 67-mile trail across the mountains, from Will Rogers State Historic Park to Point Mugu State Park. The trail spans across ridgelines and canyons across the “backbone” of the Santa Monica Mountains. The Backbone Trail is managed by multiple agencies and can be accessed by using several trailheads, including at Will Rogers State Historic Park, Trippet Ranch in Topanga State Park, Lois Ewen Overlook, and trailheads along Piuma, Malibu Canyon, Corral Canyon, Latigo Canyon, and Kanan Dume Roads.