4.7
(36)
564
hikers
29
hikes
Hikes in Greenbrier State Park are set within the Appalachian Mountains of Maryland. The park's landscape is defined by forested hills, rocky outcrops, and a 42-acre man-made lake at its center. The trail system includes a section of the Appalachian Trail, offering access to higher elevation viewpoints over the Cumberland Valley.
Last updated: May 28, 2026
5.0
(8)
90
hikers
10.6km
03:03
260m
170m
Embark on a moderate hike along the Appalachian Trail to Annapolis Rock and Black Rock, offering rewarding views and varied terrain. This 6.6-mile (10.6 km) route features a steady climb with 851 feet (259 metres) of elevation gain, taking approximately 3 hours and 3 minutes to complete. You'll traverse mostly dirt paths, but be prepared for some rocky sections and log steps as you ascend. The highlight of this journey is reaching Annapolis Rock, where you can enjoy sweeping vistas of the Cumberland and Hagerstown Valleys, along with Greenbrier Lake. A mile further, Black Rock Cliffs provides an even more expansive western view, stretching into Pennsylvania.
When planning your visit, be aware that this is one of Maryland's most popular trails, so you should expect many other hikers, especially on weekends and holidays. Parking is typically available at the trailhead, but spots can fill up quickly during peak times. Starting your hike early in the morning can help you secure parking and enjoy a quieter experience on the trail. The route is well-marked with white blazes, making navigation straightforward as you follow this section of the iconic Appalachian Trail.
This trail offers a classic Appalachian Trail experience, showcasing the natural beauty of South Mountain State Park. The path provides a great opportunity to immerse yourself in the region's diverse forest ecosystem. It's a fantastic choice if you're looking for a rewarding day hike that combines physical activity with stunning natural overlooks. The panoramic views from both Annapolis Rock and Black Rock Cliffs make this a memorable outing, perfect for connecting with nature and enjoying expansive landscapes.
12
hikers
29.6km
08:46
840m
820m
Embark on a challenging hike along the Appalachian Trail from Pine Knob to Pen Mar County Park, a difficult 18.4 miles (29.6 km) journey. You will gain 2748 feet (837 metres) in elevation, taking around 8 hours and 46 minutes to complete. The route offers diverse terrain, from rocky ascents to tranquil woodlands, as you traverse ridgelines and descend into hollows. Look for geological formations like the shady rock amphitheater at Raven Rock. You will also find expansive viewpoints, including western vistas from Pen Mar County Park, offering views of the Hagerstown Valley.
Plan your visit to this section of the Appalachian Trail by starting or ending at Pen Mar County Park. This park, situated on the Maryland-Pennsylvania border, offers convenient access for hikers. You will find parking available directly at Pen Mar County Park. The park also provides amenities such as picnic tables and a small museum, making it a good spot to prepare or unwind. Consider an early start to make the most of the long hiking day.
This trail is notable for its historical significance, as it crosses the Mason-Dixon Line. You can often find a sign marking this historic boundary, along with a trail log for hikers to record their journey. The route provides a unique opportunity to experience a significant segment of the Appalachian Trail, blending natural beauty with a touch of American history.

Sign up for free
6
hikers
5.31km
01:36
170m
100m
Embark on a moderate hike along the Washington Monument via Bartman Hill Trail to Appalachian Trail, a route that spans 3.3 miles (5.3 km) and involves a 565 feet (172 metres) elevation gain. You can expect to complete this journey in about 1 hour and 36 minutes, traversing varied terrain that includes rocky sections and natural surfaces. As you ascend, you will pass through beautiful wooded areas, enjoying forest and meadow views that expand with your climb, culminating in the historic Washington Monument. You will find the atmosphere rewarding as you make your way to the summit.
When planning your visit, remember that this trail is located within Washington Monument State Park, which is generally accessible. Parking is typically available at the state park, making it convenient for you to start your adventure. While some parts of the nearby Appalachian Trail are quite easy, this specific route presents a moderate challenge, so prepare accordingly. Consider starting your hike earlier in the day to fully enjoy the experience and avoid any potential crowds.
This trail offers a unique opportunity to connect with history and nature, leading you to the first monument dedicated to George Washington. The highlight of your hike will be reaching this significant landmark, where you can climb to the top for wonderful panoramic views. From this vantage point, you can take in the expansive scenery of both the east and west sides of South Mountain, providing a memorable perspective of the region.
5.0
(1)
1
hikers
21.9km
06:40
610m
630m
This difficult 13.6-mile hiking trail in Greenbrier State Park offers challenging climbs, dense woodlands, and panoramic views from Washingt
4.7
(6)
163
hikers
8.11km
02:26
230m
230m
Hike the Appalachian Trail to Annapolis Rock for a moderate 5.0-mile journey with panoramic views over Cumberland Valley.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Popular around Greenbrier State Park
At an elevation of 1,800 feet, the cliffs of Black Rock reach up roughly 1,200 feet above the valley floor. Many people looking for a day hike will hike out and back to the cliffs and viewpoints on Annapolis Rock. If you want a few more miles and like to have the trail to yourself, add on this unique overlook situated along the Appalachian Trail overlooking the Shenandoah Valley. As you make your way further north along the trail, you start to encounter a bunch of backcountry campsites where it's common to come across thru-hikers and people camping overnight along the path.
1
0
This section of the Appalachian Trail between the Pine Knob Shelter and the actual ridge of Pine Knob is a good representation of what type of terrain the Appalachian Trail covers as it passes through South Mountain State Park. There are sections of rough trail with steps cut into the ground and lots of roots and rocks. That being said, there are some smooth sections, too, and there are plenty of forest and meadow views that just grow in magnitude as you make your way towards the nearby peaks.
0
0
Black Rock is a scenic lookout that provides exceptional views across the Shenandoah Valley, Massanutten Mountain, and beyond. It's a tough route up here, but the views make it all worthwhile.
0
0
Annapolis Rock is perched atop South Mountain in Maryland. There are plenty of smaller rocks to sit down and enjoy the breathtaking west-facing views across the Cumberland Valley. The final bit of path to the lookout is very rocky, so mind your footing, but the views as you arrive make it all worthwhile. There is a water fountain in the campground neaby.
1
0
Located at 1,535 feet in the Washington Monument State Park, Monument Knob is a peak with great views of the surrounding landscape. The mountain is situated along the Appalachian National Scenic Trail, so make sure to visit while hiking along the popular trail.
0
0
Black Rock is a scenic lookout that provides exceptional views across the Shenandoah Valley, Massanutten Mountain, and beyond.
0
0
This is a great place for camping whilst backpacking. It has lots of flat spots for tents, several fire pits, a nearby spring for filling up waters bottles and an outhouse. It's a popular spot for those hiking the Appalachian Trail and also for overnight hikers who want to spend the night in nature.
0
0
Annapolis Rock is perched atop South Mountain in Maryland. There are plenty of smaller rocks to sit down on and enjoy the breathtaking west-facing views across the Cumberland Valley. The hike to Annapolis Rock is on part of the Appalachian Trail, a 2,200-mile long-distance trail that spans the eastern United States.
1
0
Yes, dogs are welcome on all hiking trails within Greenbrier State Park, provided they are kept on a leash. However, please be aware that pets are not permitted on the sandy portion of the swimming beach area or in the lake.
While many trails in the park are rocky and rated as moderate, the Green Trail is a shorter 0.8-mile (1.3 km) loop that is a good option for beginning hikers and families. The paths around the lake also offer a gentler walking experience.
The Big Red Trail is considered a strenuous hike. At 4.5 miles (7.2 km), it's the longest trail entirely within the park and features several steep hills and consistently rocky terrain. Proper hiking footwear is strongly recommended.
Yes, you can connect to the Appalachian Trail (A.T.) directly from the park. The Bartman Hill Trail provides a strenuous, 0.6-mile (1 km) link to the A.T., which runs along the eastern ridge of the park.
No, there are no significant waterfalls located directly on the marked trails within Greenbrier State Park. The park's main water feature is its 42-acre man-made lake.
For some of the best westward views in Maryland, take the Appalachian Trail north from the park to Annapolis Rock. The hike to Annapolis Rock is a moderate 5-mile (8.1 km) round trip that rewards you with stunning vistas over Greenbrier Lake and the Cumberland Valley.
Parking is available within Greenbrier State Park, located at 21843 National Pike, Boonsboro, MD. There are several lots near the lake and beach area which provide access to the trailheads. Be aware that the park often reaches capacity on summer weekends, so arriving early is advised. An entrance fee is typically required.
The park itself contains nearly 11 miles (18 km) of marked trails. Komoot features a collection of over 15 curated routes in and around the park, including connections to the adjacent Appalachian Trail and South Mountain State Park.
Yes, for a longer day out, consider the Pogo Campsite & Black Rock via Appalachian Trail route. This 8.7-mile (14 km) hike follows the A.T. to another excellent viewpoint at Black Rock, offering a challenging and rewarding experience through dense woodlands.
There is no direct public transportation service to Greenbrier State Park. The park is located in a rural area, and accessing the trailheads requires a private vehicle.
The routes in this area are highly regarded by the komoot community, with an average rating of 4.7 out of 5 stars. Hikers frequently praise the challenging rocky paths and the beautiful forest scenery, especially the rewarding views from the Appalachian Trail overlooks.
Yes, you can hike to the original Washington Monument in Washington Monument State Park. The Washington Monument via Appalachian Trail is a moderate route of about 6.5 miles (10.5 km) that follows the A.T. south from the Greenbrier area.
You can view and download trail maps directly within the komoot app for offline use. For an official park map, you can visit the Maryland Department of Natural Resources website, which provides a PDF map of the park's trail system. You can find it here: Official Greenbrier Trail Map.


Browse the best Hikes in other regions.