4.2 km
~1 hrs 4 min
138 m
"A wonderous hike from the heart of Warren County"
The Jenny Jump Mountain Loop is a 4.2 km looped trail that starts and ends in Frelinghuysen, Warren County, New Jersey. 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 27 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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