Santa Monica Mountains National Recreation Area · California

Rock Ridge Trail East

3.3 mi of trail, end to end · about 500 ft of climbing · 1,100 ft of descent · 1,065 ft–1,609 ft

1,152 ft 1,395 ft · 0.8 mi high 1,395 ft

Trailheads Deerhill Road Trailhead 1,325 ft Drive there · Rocky Ridge, Rancho Simi OS 1,069 ft Drive there

On the parks map

All 593 trails in Santa Monica Mountains National Recreation AreaFind a trailOn the parks mapPark on nps.gov

About this trail's facts

The lines are the National Park Service's public trails layer, the trailheads and the waterfalls, views, peaks and historic places along them the Service's public points of interest, read 2026-10-16 and simplified for the map; the length is the line's, end to end. The write-ups are the Service's own "things to do" text, unedited. Heights come from USGS 3DEP through Terrain Tiles on AWS (Mapzen/Tilezen), read along each line and rounded; a short trail on steep ground can be off by a few tens of feet. Closures change: check the park's own site before you go.