3.6 km
~44 min
15 m
"A leisurely stroll from the heart of Baltimore County"
The Observation - Holly - Black Marsh Trail is a 3.6 km looped trail that starts and ends in Edgemere, Baltimore County, Maryland. Based on our data, the trail is graded as Easy. 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 57 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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