Old Tunnel, Guard Rail and Superior Hiking Loop Trail
8.7 km
~2 hrs 6 min
220 m
"A wonderous hike from the heart of Saint Louis County"
The Old Tunnel, Guard Rail and Superior Hiking Loop Trail is a 8.7 km looped trail that starts and ends in Duluth, Saint Louis County, Minnesota. 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 2 hrs 47 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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