12.5 km
~3 hrs 50 min
797 m
"An epic challenge to remember from the heart of Siskiyou County"
The Middle Boulder and Telephone Lake Loop Trail is a 12.5 km looped trail that starts and ends in Callahan, Siskiyou 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 5 hrs 11 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.
Middle Boulder and Telephone Lake Loop Trail passes through these parks:
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