Big Savage Tunnel – Mason-Dixon Line Monument loop from Chestnut Ridge

Mountain biking trails

United States

Maryland

Garrett County

Big Savage Tunnel – Mason-Dixon Line Monument loop from Chestnut Ridge

Hard

2.9

(24)

riders

Big Savage Tunnel – Mason-Dixon Line Monument loop from Chestnut Ridge

08:27

122km

1,730m

Mountain biking

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: September 25, 2026

Waypoints

Start point

Bus stop

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41.4 km

Pinkerton Tunnel

Highlight (Segment) • Structure

The Pinkerton Tunnel is a 849-foot tunnel that takes hikers and bikers through the hilly Pinkerton Horn. The tunnel is not lit, so make sure that you bring lights with …

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54.5 km

One of many beautiful small towns along the GAP, Rockwood is a great place to stop off either for a break or to stay the night. The town has several accommodation options, a café, supermarket, and a bike shop.

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55.4 km

Great Allegheny Passage (GAP)

Highlight (Segment) • Cycleway

The Great Allegheny Passage, or GAP, was once a rail line. Now it's a 150-mile multi-use trail that winds through Maryland and Pennsylvania, with this section traveling alongside the Casselman …

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71.2 km

Salisbury Viaduct

Highlight • Bridge

The Salisbury Viaduct is one of several engineering masterpieces along the GAP. The steel bridge was constructed in 1911 and for years took trains across the Casselman River. Now, it …

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72.2 km

Great Allegheny Passage

Highlight (Segment) • Trail

Open to walkers, runners and cyclists, this rail trail runs for 150 miles through Maryland and Pennsylvania. Its surface is mostly crushed rock, with a few stretches of pavement as well.

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87.0 km

Eastern Continental Divide

Highlight • Monument

Congratulations! You've reached the highest point in the Great Allegheny Passage, which runs from Pittsburgh, Pennsylvania to Cumberland, Maryland.

The Eastern Continental Divide marks a stark divide between two watersheds: …

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89.0 km