Only the Essential: Pacific Crest Trail Documentary Wild Confluence Published on Dec 2, 2015 The cinematic story of a 2668 mile thru-hike on America's premiere long distance footpath, the Pacific Crest Trail. Learn more at http://www.wildconfluence.com/ote In the summer of 2013 Casey Gannon and Colin Arisman thru-hiked the Pacific Crest Trail with cameras in hand. "Only The Essential" is the story of their 5 month, 2668 mile journey on foot from Mexico to Canada across the wilderness of California, Oregon, and Washington. Filmed entirely by hikers.