San Diego · San Diego County · CA
"Tunnel" Trail 4 is a 0.7-mile intermediate (blue) trail near San Diego, in San Diego County, CA. It climbs 74 ft and descends 258 ft, between 241 ft and a high point of 431 ft. The surface is dirt. 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.