0.0 star · Medium Loop

Thorn Alley Loop

Contra Costa County, California

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Trail length

5.2 km

Time

~1 hrs 21 min

Elevation Gain

194 m

"A wonderous hike from the heart of Contra Costa County"

The Thorn Alley Loop is a 5.2 km looped trail that starts and ends in Concord, Contra Costa County, California. Based on our data, the trail is graded as Medium. For information on how we grade trails, please read measuring the difficulty of a hiking trail on hiiker. Also, check our latest community posts for trail updates.

This trail can be completed in approx 1 hrs 54 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.