Great Allegheny Passage
Rail trail connecting Cumberland, Maryland, and Pittsburgh, Pennsylvania
Length: The Wikipedia article states the length as “150-mile” (quoted from the article).
From the Wikipedia article
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.
Coordinates
not available.
Source
This page is built from Wikipedia article “Great Allegheny Passage”. Source record: wikipedia_trails#51. Wikipedia data fetched 2026-10-03. Text from Wikipedia, licensed CC BY-SA 4.0.
Listed in: List of long-distance trails in the United States.