4.9
(3132)
19,332
hikers
Fern Hollow Loop
01:38
5.79km
130m
Hiking
Embark on the Fern Hollow Loop, an easy hiking route that guides you through the diverse natural habitats of the Bull Run Mountains Natural Area Preserve. This trail winds through thick woods, where you will discover beautiful low-lying seeps in the area known as "Fern Hollow." You can expect to cover 3.6 miles (5.8 km) with an elevation gain of 415 feet (126 metres), typically taking about 1 hour and 38 minutes to complete.
When planning your visit, be aware that while the Fern Hollow Loop is rated easy, some sections can be uneven due to exposed roots and occasional treefalls. These parts might feel a bit more strenuous than expected. Keep an eye out for mountain laurel on the ridges, especially during blooming season, and you might spot local wildlife like deer and squirrels.
Beyond the natural beauty, the route offers a glimpse into history with features like an old ice house structure, the Corum House, and the LJ cemetery. You can also see the natural quarry line, which served as an entrenchment during the American Civil War, adding a unique historical layer to your outdoor experience.
Last updated: April 23, 2026
Waypoints
Start point
Parking
Get Directions
108 m
Wooded Path in Bull Run Mountains Natural Area Preserve
Highlight • Trail
Tip by
5.79 km
End point
Parking
Way Types & Surfaces
Way Types
5.65 km
< 100 m
< 100 m
< 100 m
Surfaces
5.64 km
< 100 m
< 100 m
< 100 m
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Elevation
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Weather
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Today
Sunday 24 May
19°C
10°C
22 %
Additional weather tips
Max wind speed: 11.0 km/h
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This route was planned by komoot.
Frequently Asked Questions
How difficult is the Fern Hollow Loop trail?
Komoot rates the Fern Hollow Loop as 'easy'. However, some hikers consider it 'moderate' due to sections with uneven terrain, exposed roots, and consistent uphill climbs. It's largely a singletrack path, so be prepared for varied conditions.
How long does it typically take to hike this loop?
The Fern Hollow Loop is approximately 5.8 kilometers (3.7 miles) long. Most hikers complete it in about 1 hour and 38 minutes, depending on pace and stops.
Where is the trailhead for the Fern Hollow Loop and is there parking?
The Fern Hollow Loop is located within the Bull Run Mountains Natural Area Preserve in Haymarket, Virginia. Specific trailhead parking information for this preserve should be checked directly with the preserve's official website or local resources, as details can change.
What kind of scenery and terrain can I expect on the trail?
The trail offers diverse natural habitats, winding through thick woods. You'll encounter mountain laurel on ridges and beautiful low-lying seeps, including the area known as "Fern Hollow." The terrain can be rough in spots, with roots and uneven ground, and some uphill sections. The western portion provides views of Chapman Mill and Thoroughfare Gap.
What wildlife might I see on the Fern Hollow Loop?
Hikers often spot common wildlife such as squirrels, deer, turtles, and frogs. There is also a possibility of encountering rattlesnakes or black bears, so it's important to be aware of your surroundings.
What are the best times of year to hike the Fern Hollow Loop?
The trail can be enjoyed year-round. Late fall is particularly scenic when goldenrod blooms profusely in the meadow areas, creating a vibrant display. However, be aware that goldenrod can be an allergen for some during this time.
Are there any historical sites or points of interest along the route?
Yes, the loop is rich in history. You can discover ruins of an upper mill and meadowlands, an ice house structure, the Corum House, and the LJ cemetery. A notable feature is the natural quarry line, visible from the trail, which served as an entrenchment during the American Civil War.
Are dogs allowed on the Fern Hollow Loop?
Regulations regarding dogs in the Bull Run Mountains Natural Area Preserve can vary. It is best to check the official preserve guidelines before your visit to confirm their pet policy, including leash requirements.
Are there any permits or entrance fees required for the Bull Run Mountains Natural Area Preserve?
As the Fern Hollow Loop is located within the Bull Run Mountains Natural Area Preserve, it's advisable to check their official website for current information on any required permits, entrance fees, or specific regulations before planning your hike.
Does the Fern Hollow Loop connect with other trails?
Yes, the route also passes through sections of the Dawson's Trail and the Beech Ridge Loop, offering opportunities to explore more of the preserve's trail system.
What is the main highlight of the Fern Hollow Loop?
A significant highlight of the route is the Wooded Path in Bull Run Mountains Natural Area Preserve, which showcases the diverse natural beauty and serene forest environment of the area.