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This website is an ongoing effort to document the official history of building the Great Allegheny Passage by those who built it – with factual content, personal experiences and great images of the ‘Building the Great Allegheny Passage.’ Please click the “Contact Us” button to send us something you would like to share or to request information.

“The Passage is linear; the story of its building is not.” – Linda McKenna Boxx, June 2020.

Maryland Section | Mile 0 – 20

Mason Dixon Line | Mile 20

Somerset County Section | Mile 20 – 62

Ohiopyle State Park | Mile 62 – 88

YRTN Trail Groups | Mile 88 – 132

McKeesport to Pittsburgh | Mile 132 – 148.8

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