The Pacific Crest Trail | 1,658 followers on LinkedIn. 2,650 miles (4,265 kilometers) from Mexico to Canada. | The Pacific Crest Trail spans 2,650 miles (4,265 kilometers) from Mexico to Canada through California, Oregon, and Washington. It is a National Scenic Trail. It reveals the beauty of the desert, unfolds the glaciated expanses of the Sierra Nevada, travels deep forests, and provides commanding vistas of volcanic peaks in the Cascade Range.