Pacific Crest Trail WildWiki info
The first thing prospective thru hikers have to do before attempting a thru hike is to plan out and sketch out their trip. In general the decision of which route to take needs to be considered. While most hikers travel from the Southern Terminus at the Mexico Border northward to Manning Park, British Columbia, some hikers prefer a southbound route. In a normal weather year, northbound hikes are most practical due to snow and temperature considerations. If snowpack in the Sierra Nevada is high in early June and low in the Northern Cascades, some hikers may choose to 'flip-flop. ' Flip-flopping can take many forms but often describes a process whereby a hiker begins at one end (on the PCT, usually the southern end) of the trail and then, at some point, like reaching the Sierra, 'flips' to the end of the trail (Manning Park in B. C. ) and hikes southbound to complete the trail. However, it is not currently possible to legally enter the United States from Canada by using the Pacific Crest Trail.