Zigzagging its way from Mexico to Canada through California, Oregon and Washington the Pacific Crest Trail (PCT) boasts the greatest elevation changes of any of America's National Scenic Trails, allowing it to pass through six out of seven of North America's ecozones including high and low desert, old-growth forest and artic-alpine country. Indeed, the PCT is a trail of diversity and extremes. From scorching desert valleys in Southern California to rain forests in the Pacific Northwest, the PCT offers hikers and equestrians a unique, varied experience.
The Pacific Crest Trail (PCT) is a 2,650-mile national scenic trail that runs from Mexico to Canada through California, Oregon and Washington.
http://www.pcta.org/