Glendora · Los Angeles County · CA
Upper Monroe Truck Trail is a 7.9-mile moderate trail near Glendora, in Los Angeles County, CA. It climbs 1,675 ft and descends 3,579 ft, between 1,534 ft and a high point of 3,642 ft. Moderate difficulty: calculated from 13% avg grade · 15.8 mi round trip, 5,344 ft climb. The surface is unpaved. Mapped for hiking, trail running, mountain biking, equestrian.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.