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Routes
Bike touring routes & trails
United States
Maryland
Allegany County
Zihlman

Mason-Dixon Line Monument – Big Savage Tunnel loop from Frostburg

Routes
Bike touring routes & trails
United States
Maryland
Allegany County
Zihlman

Mason-Dixon Line Monument – Big Savage Tunnel loop from Frostburg

Moderate

4.8

(1985)

5,409

riders

Mason-Dixon Line Monument – Big Savage Tunnel loop from Frostburg

01:55

24.9km

360m

Cycling

Moderate bike ride. 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: July 27, 2026

Waypoints

A

Start point

Parking

Get Directions

1

3.12 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

2

7.48 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 …

Tip by

9.30 km

Viewpoint

Viewpoint

4

9.48 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 …

Tip by

5

12.5 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: …

Tip by

B

24.9 km

End point

Parking

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Way Types & Surfaces

Way Types

23.5 km

1.44 km

Surfaces

17.7 km

5.72 km

1.44 km

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Elevation

Elevation

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

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Weather

Powered by Foreca

Today

Tuesday 28 July

24°C

19°C

99 %

Additional weather tips

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

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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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Nearby routes

Moderate

1

Mount Savage - Great Allegheny Passage Loop

02:21h

36.5km

390m

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