The Appalachian Trail’s Maryland-Pennsylvania border section represents a pivotal transition point for hikers, offering 40-42 miles of diverse terrain, stunning viewpoints, and rich historical landscapes. Stretching from PenMar Park to Harpers Ferry, this segment provides moderate hiking challenges with remarkable scenic beauty, connecting two distinct Appalachian Mountain regions through a meticulously maintained trail system.
What Makes the Maryland-Pennsylvania Border Appalachian Trail Unique?

Trail Overview and Geographic Significance
The Maryland section of the Appalachian Trail represents a critical corridor connecting Pennsylvania and Maryland, characterized by:
- Total Length: 40-42 miles
- Northern Terminus: PenMar Park
- Southern Terminus: Harpers Ferry
- Terrain Difficulty: Easy to moderate
What Are the Key Landmarks Along the Trail?
Scenic Viewpoints and Historical Sites
Landmark | Distance from PenMar | Notable Features |
---|---|---|
Annapolis Rocks | 2.1 miles | Expansive valley views |
Black Rock Cliffs | 4.8 miles | Rocky outcrop panorama |
Washington Monument State Park | Midpoint | Original 1827 monument |
Weverton Cliffs | Near C&O Canal | River valley perspective |
How Challenging is the Trail Elevation?
The Maryland-Pennsylvania border Appalachian Trail section offers relatively gentle elevation changes:
- Maximum Elevation: Approximately 1,500 feet
- Elevation Gain: Moderate, with rolling terrain
- Steepest Sections:
- Ascent to Black Rock Cliffs
- Weverton Cliffs climb (500-foot elevation)
- Short climb near I-70 footbridge
Where Can Hikers Find Shelter?
Shelter Locations and Amenities
- Pine Knob Shelter
- Located 3.7 miles from Annapolis Rocks junction
-
Features:
- Campsites
- Privy
- Piped spring water source
-
Rocky Run Shelter
- Less frequently used
- Basic overnight accommodations
What Preparation is Needed for Hiking?
Essential Hiking Recommendations
- Recommended Gear:
- Sturdy hiking boots
- Water filtration system
- Lightweight camping equipment
-
Navigation tools (map, compass)
-
Best Hiking Seasons:
- Late Spring
- Early Fall
- Avoid mid-summer heat
- Winter requires advanced preparation
Trail Access and Connectivity
Key Trailheads and Connections
- PenMar Park: Northern entry point
- C&O Canal Towpath: Southern connection
- Nearby Towns:
- Hagerstown, MD
- Waynesboro, PA
- Harpers Ferry, WV
Conservation and Trail Etiquette
Responsible Hiking Practices
- Follow Leave No Trace principles
- Stay on marked trails
- Pack out all trash
- Respect wildlife habitats
- Use designated camping areas
Conclusion

The Appalachian Trail’s Maryland-Pennsylvania border section offers a remarkable hiking experience, blending natural beauty, historical significance, and moderate terrain challenges. Proper preparation and respect for the environment ensure an unforgettable adventure.