Colorado has approximately 6,117 trails, including 4,813 hiking trails, 4,013 for trail running and 13,476 for other activities. These trails range from 0 to 515 miles in length. The most popular trails are Glacier Gorge
, Blue Lake
and Arapaho Peak Southeast Ridge Route
. The last Trails.com member to complete a trail in Colorado was Lisa A.
who completed Hahns Peak