1.1 km
~18 min
48 m
"An epic challenge to remember from the heart of Marin County"
The Hidden Valley Loop Trail is a 1.1 km looped trail that starts and ends in , Marin County, California. Based on our data, the trail is graded as Difficult. 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 0 hrs 26 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.
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