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Pennsylvania

Somerset County

Mason-Dixon Line Monument – Big Savage Tunnel loop from Saint Mary Catholic Church

Routes

Bike touring routes & trails

United States

Pennsylvania

Somerset County

Mason-Dixon Line Monument – Big Savage Tunnel loop from Saint Mary Catholic Church

Hard

3.4

(21)

riders

Mason-Dixon Line Monument – Big Savage Tunnel loop from Saint Mary Catholic Church

03:05

42.1km

460m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 19, 2026

Waypoints

Start point

Parking

Get Directions

8.94 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: To your east, the waterways drain (eventually) into the Atlantic Ocean. The waters to your west funnel toward the Gulf of Mexico.

Tip by

12.1 km

Viewpoint

13.9 km

Mason-Dixon Line Monument

Highlight • Monument

The Mason-Dixon Line Monument marks the historic boundary between the states of Maryland and Pennsylvania. Today, it is a scenic rest stop for hikers, featuring a granite obelisk, engraved blocks spelling "Mason & Dixon," and a replica of the surveyors' 66-foot chain. It is a great photo opportunity and Easily a must-see for history buffs.

Tip by

22.2 km

Frostburg Trailhead

Highlight • Trail

The GAP does not pass through the center of Frostburg, but that does not stop the town from being a popular stop for cyclists on the trail. It's a short ride from the trail head into the historic town, which started as a stagecoach stop and was a major coal mining hub. Now, the town is full of restaurants, culture, and accommodation.

At the trailhead, there are restrooms and water available, as well as parking.

Tip by

23.0 km

Trail Inn Lodging & Campground

Highlight • Rest Area

The Trail Inn Lodging & Campground is a great place to stop as you are traveling along the GAP. There is food, camping, a hostel and private rooms.

Tip by

27.3 km

Borden Tunnel

Highlight • Structure

The Borden Tunnel is one of the signature tunnels along the GAP. It is almost 1000-feet long and is equipped with motion-detected lighting. It is considered one of the most tranquil places on the trail.

Tip by

33.6 km

Big Savage Tunnel

Highlight (Segment) • Structure

The Big Savage Tunnel is one of the highlights of the GAP. The 3,291-foot tunnel was refurbished for bike use in 2003 and has a modern lighting system. On the eastern end of the tunnel there is a great viewpoint and picnic tables.

Tip by

42.1 km

End point

Parking

Way Types & Surfaces

Way Types

27.6 km

7.09 km

4.21 km

3.07 km

141 m

Surfaces

19.5 km

9.01 km

6.98 km

6.19 km

413 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (810 m)

Lowest point (560 m)

Weather

Today

Monday 11 May

12°C

3°C

0 %

Additional weather tips

Max wind speed: 20.0 km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Mason-Dixon Line Monument – Big Savage Tunnel loop from Saint Mary Catholic Church

Eastern Continental Divide

Mason-Dixon Line Monument

Frostburg Trailhead

Trail Inn Lodging & Campground

Borden Tunnel

Big Savage Tunnel

Nearby routes

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