Altadena · Los Angeles County · CA
Middle Sam Merrill Trail is a 2.4-mile expert (double black) trail near Altadena, in Los Angeles County, CA. It climbs 1,056 ft and descends 2,331 ft, between 3,201 ft and a high point of 4,497 ft. Mapped for hiking, trail running, mountain biking.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.