Great Allegheny Passage

Rail-trail in Pennsylvania

Length: 104 mi 167 km¹
Surface: Crushed stone¹
Last checked: Oct 12, 2026

The Great Allegheny Passage (GAP) is a 150-mile (240 km) rail trail between Pittsburgh, Pennsylvania and Cumberland, Maryland. Together with the C&O Canal towpath, the GAP is part of a 335 mi (539 km) route between Pittsburgh and Washington, D.C., that is popular with through hikers and cyclists.

From Wikipedia² (CC BY-SA). Help improve the article and it improves here.

Community

Where people who ride and look after this trail post: notices, conditions, work days.

RedditReddit posts about the Great Allegheny Passage
Redditr/Pennsylvania

Photos

Frost in May spring (49985937026).jpg
Photo: daveynin from United States · CC BY 2.0 · Wikimedia Commons
GAP Milepost 22 in Big Savage Tunnel (50127248086).jpg
Photo: daveynin from United States · CC BY 2.0 · Wikimedia Commons
Great Allegheny Passage Trail, mile 119 (8482756127).jpg
Photo: daveynin from United States · CC BY 2.0 · Wikimedia Commons
Layton Bridge and GAP rail-to-trail (49725332168).jpg
Photo: daveynin from United States · CC BY 2.0 · Wikimedia Commons
Passing Whitsett home (50232350981).jpg
Photo: daveynin from United States · CC BY 2.0 · Wikimedia Commons

Trailheads

1 Boston Trail Access restrooms directions
2 Garrett GAP Trail Access directions
3 Morris Weiss Whitsett Trail Access restrooms directions
4 Off-Season Parking restrooms directions
5 Ohiopyle GAP Trail Access restrooms directions
6 Sutersville Trail Access directions
7 Trail Parkiing directions
8 West Newton Trail Access directions
9 Parking directions
10 Parking directions
11 Parking restrooms directions
12 Parking directions
13 Parking restrooms directions
14 Parking restrooms · water directions
15 Parking restrooms · water directions
16 Parking water directions
17 Parking restrooms · water directions
18 Parking restrooms · water directions
19 Parking water directions
20 Parking water directions
21 Parking directions
22 Parking directions
23 Parking restrooms · water directions
24 Parking directions
25 Parking directions
26 Parking restrooms directions
27 Parking directions
28 Parking restrooms directions
29 Parking directions
30 Parking directions
31 Parking restrooms · water directions
32 Parking water directions
33 Parking restrooms · water directions
34 Parking restrooms · water directions
35 Parking water directions
36 Parking restrooms directions
37 Parking directions

Take it with you

Download GPX GeoJSON

Open data, ODbL. Attribute BikeTheRail and OpenStreetMap contributors.

Something wrong?

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Sources

OpenStreetMap ways for this trail, OpenStreetMap contributors · Map data · ODbL · checked Oct 12, 2026
“Great Allegheny Passage”, Wikipedia · Encyclopedia · CC BY-SA 4.0 · checked Oct 12, 2026
Wikidata Q5598614, Wikidata · Knowledge base · CC0 · checked Oct 12, 2026

Every fact above cites a numbered source and the date it was last checked; the list is rebuilt nightly. Know a better source? Add a reference.