Portola Valley · San Mateo County · CA
Arroyo Trail is a 1.4-mile moderate trail near Portola Valley, in San Mateo County, CA. It climbs 371 ft and descends 802 ft, between 693 ft and a high point of 1,131 ft. Moderate difficulty: calculated from 16% avg grade · 2.8 mi round trip, 1,207 ft climb. The surface is dirt. Mapped for hiking, trail running.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.