GREAT ALLEGHENY PASSAGE ®
150 miles of biking and hiking from Cumberland, MD to Pittsburgh, PA
About the Trail
Experience the gorgeous Great Allegheny Passage, a nearly flat 150-mile bicycle and walking trail connecting Pittsburgh to Cumberland, Maryland. It runs next to winding rivers, over soaring viaducts, and through historic railroad tunnels. No wonder it’s first in the National Rail-Trail Hall of Fame!
WELCOME TO THE GAP
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PLAN A VISIT
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SHARE YOUR STORY
LIKE US ONWatch our official YouTube video that takes you from Cumberland to Pittsburgh in two minutes! Or send us photos and a description of your most recent adventure!
FOLLOW ON 
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EXPLORE A TRAIL TOWN
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GAP Trail App
Explore the GAP Trail and C&O Canal trail in a whole new way! Log your trips, review amenities and keep up to date on trail news.
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TrailGuide
The official dining & lodging guide for the Great Allegheny Passage® and C&O Canal. Packed with places to eat and stay, maps, and points of interest!
GAP
The Great Allegheny Passage ® (GAP) rail-trail offers 150 miles of hiking and biking from Cumberland MD to Pittsburgh,PA.