The Allegheny Highlands Trail of Maryland (AHTM) is a 20.47-mile (33 km) long rail trail from Cumberland to the Mason-Dixon line, where it meets the Allegheny Highlands Trail of Pennsylvania.
The trail parallels the Western Maryland Scenic Railroad which operates tourist trains powered by a steam locomotive. The trail follows the route of the Connellsville extension of the Western Maryland Railroad.
This trail is one section of the Pittsburgh-to-Washington, DC Great Allegheny Passage.
Coordinates: 39°41′44″N 78°50′47.5″W / 39.69556°N 78.846528°W