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United States
Maryland
Washington County
Highfield-Cascade

Appalachian Trail: Pen Mar to Old Forge

Hard

4.7

(5293)

7,184

hikers

Appalachian Trail: Pen Mar to Old Forge

06:44

22.3km

730m

Hiking

Hike the difficult 13.9-mile Appalachian Trail from Pen Mar to Old Forge, gaining 2391 feet through diverse terrain and Michaux State Forest

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Appalachian National Scenic Trail

Beartown Woods Natural Area

Waypoints

A

Start point

Parking

Get Directions

1

2.86 km

Mount Dunlop

Highlight • Summit

Mount Dunlop is a summit situated nearby to Pen Mar in Maryland. Although there are no views from the summit, it's located within beautiful forestry and involves a leg-burning climb from whichever direction you approach from.

Tip by

2

7.59 km

Deer Lick Shelter

Highlight • Mountain Hut

Deer Lick Shelters offer a warm and secure refuge for the night, complete with sleeping platforms and a fire ring. It's the perfect place for backpackers to unwind and recharge.

Tip by

3

11.2 km

Antietam Camping Area

Highlight • Rest Area

There are no facilities at Antietam Camping Area, but it's a lovely place to set up your tent and enjoy a night in nature. A few hundred metres north at Old Forge there is a picnic area and public toilets.

Tip by

B

22.3 km

End point

Parking

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Way Types & Surfaces

Way Types

12.1 km

9.87 km

383 m

Surfaces

12.2 km

9.79 km

297 m

< 100 m

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Elevation

Elevation

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

Highest point (490 m)

Lowest point (280 m)

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Weather

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Today

Friday 29 May

23°C

9°C

0 %

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Max wind speed: 16.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the terrain like on the Appalachian Trail from Pen Mar to Old Forge?

The terrain offers a diverse experience. Starting from Pen Mar, the Maryland section is generally gentler, though you'll encounter some rocky stretches and a notable 500-foot ascent through a boulder field towards High Rock. As you cross into Pennsylvania, the trail becomes more varied. While Pennsylvania is known for its rocky trails, this specific segment is often described as less rocky than others, featuring rolling ups and downs of 100-200 feet and a few significant climbs, making it moderately strenuous in parts.

What notable landmarks and viewpoints can I expect along the route?

You'll find several points of interest. The starting point, Pen Mar Park, offers beautiful overlooks of the Cumberland Valley. Along the way, you'll cross the historic Mason-Dixon Line. A side trail leads to High Rock, the highest point on the AT in Maryland, providing spectacular vistas. The route also passes by Mount Dunlop and the Deer Lick Shelter, offering resting spots and scenic views.

Where can I park to access the Appalachian Trail at Pen Mar?

You can typically find parking at Pen Mar Park, which serves as the trailhead for this section of the Appalachian Trail. It's advisable to arrive early, especially on weekends, as parking can fill up.

What is the best time of year to hike this section of the Appalachian Trail?

Spring and fall are generally considered the best times to hike this trail. In spring, you'll experience blooming wildflowers and milder temperatures. Fall offers vibrant foliage and comfortable hiking conditions. Summer can be hot and humid, while winter brings colder temperatures and potential snow or ice, requiring appropriate gear.

Is the Appalachian Trail from Pen Mar to Old Forge dog-friendly?

Yes, dogs are generally allowed on the Appalachian Trail. However, they must be kept on a leash at all times to protect wildlife and ensure the safety of other hikers. Always pack out any waste.

Do I need a permit or pay an entrance fee for this trail?

No, you do not need a permit to hike this section of the Appalachian Trail, nor are there any entrance fees for the trail itself. However, if you plan to camp overnight in Michaux State Forest, specific regulations and permits might apply, so it's always best to check with the Michaux State Forest office directly.

What are the regulations for Michaux State Forest, which this trail passes through?

Michaux State Forest is a multi-use forest. While hiking is permitted, specific regulations apply to activities like camping, campfires, and hunting. When hiking, remember to practice Leave No Trace principles. For detailed information on camping permits or other specific regulations, it's best to consult the official Pennsylvania DCNR website or contact the Michaux State Forest district office directly.

Are there water sources available along the trail?

Yes, the trail features various creeks and springs that can serve as water sources. However, it is crucial to filter or treat all water collected from natural sources before drinking to prevent illness. Always carry enough water for your hike, especially during dry periods.

Does the trail intersect other well-known paths?

Yes, the route primarily follows the Appalachian Trail (which covers 98% of the route). It also intersects with other paths such as the Tuscalachian Loop, Deer Lick Shelter Trail, and various segments of the Appalachian National Scenic Trail.

What kind of wildlife might I encounter on this hike?

This area, particularly within Michaux State Forest, is considered "Bear Country," so encounters with black bears are possible. You might also see deer, various bird species, and smaller mammals. Always store food properly and be aware of your surroundings.

Is this section of the Appalachian Trail suitable for beginners?

While the Maryland portion is generally considered easier, the transition into Pennsylvania introduces more significant elevation changes and can be moderately strenuous. Given the overall distance of approximately 22.3 km (13.9 miles) and the 'difficult' rating, it might be challenging for absolute beginners. Hikers should have a reasonable level of fitness and be prepared for varied terrain and elevation.

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