Santa Monica Mountains National Recreation Area · California

Grotto Trail

1.0 mi of trail, end to end · about 70 ft of climbing · 400 ft of descent · 1,224 ft–1,586 ft

Campgrounds

1,495 ft 1,296 ft · 0.5 mi high 1,564 ft

Along the way Circle X Group

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.