5.0 star · Difficult Out and Back

Duck Harbor Mountain Trail

Acadia National Park · Knox County, Maine

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Trail length

4.8 km

Time

~1 hrs 18 min

Elevation Gain

216 m

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"An epic challenge to remember from the heart of Knox County"

The Duck Harbor Mountain Trail is a 4.8 km looped trail that starts and ends in Isle Au Haut, Knox County, Maine. 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 1 hrs 52 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.