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This line data is the most accurate representation of the location of the PCT available. This data was originally created using Halfmile's 2018 data release, and updated with all recent reroutes incorporated into the data in 2021.
Data collected by Halfmile varies in accuracy for different regions of the trail, but was done using survey-grade GPS technology. See https://www.pctmap.net/ for information about the Halfmile volunteer project.
Note that mile markers may differ from the data in this centerline due to reroutes that have been incorporated into the line dataset since the mile markers were last generated. Mile markers may also differ from those in other guidebooks, maps, and apps.