Backbone Trail

Santa Monica Mountains National Recreation Area, California

Distance

107.1 km

Elev. gain

3,420 m

Start

Near Ventura County

Finish

Near Los Angeles

A simplified drawing of the real route — the distance above is the published figure, not the length of this line.

Route geometry from OpenStreetMap contributors (ODbL), reviewed against published mileage by Far. Reviewed August 3, 2026. Trail conditions, permits, and hazards change — verify before you go.