Upper Sam Merrill Trail and Idlehour Trail
23.8 km
~1 day 1 hrs
1289 m
"An epic challenge to remember from the heart of Los Angeles County"
The Upper Sam Merrilland Idlehour Trail is a 23.8 km looped trail that starts and ends in Altadena, Los Angeles 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 2 days. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.
Reviews
User comments, reviews and discussions about the Upper Sam Merrill Trail and Idlehour Trail, California.
0.0
average rating out of 5
0 rating(s)
