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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

Leave it better than you found it.

Hike

Fern Hollow Loop

Near Thoroughfare Gap

3.9 mi loop · 552 ft gain · 621 ft high point · Moderate

Loop with the Dawson's Trail

VA · OpenStreetMap contributors

About Elevation Highlights Map More hikes

About this hike

This loop trail uses Dawson's Trail near Thoroughfare Gap in Virginia. It climbs 552 feet over 3.9 miles.

Elevation

552 ft of gain, the approach both ways included.

More hikes nearby

Ranked the same way, within twenty-five miles.

25 mi from you
North Valley Trail - CC 1&4 District
- Ends at Pyrite Mine Overlook
- Inside Prince William Forest Park
- Camp under a mile away
8.1 mi out & back · 771 ft gain · Moderate
Prince William Forest Park · Camp under a mile away

The approach, then the loop. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Thoroughfare GapNearby · 0.4 mi in

Nearby reading

Beverley Mill
Thoroughfare Gap Battlefield
Battle of Thoroughfare Gap
Thoroughfare Gap (Bull Run Mountain)
Broad Run, Virginia

Map

The hike from its start, the approach dashed. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Download the trail and feature data.

At a glance

Length: 3.9 mi
Shape: Loop
Gain: 552 ft
High point: 621 ft
Low point: 387 ft
Difficulty: ModerateFrom 3.9 mi and 552 ft of climbing
Managed by: OpenStreetMap contributors
State: VA
Camps within 15 mi: 0
Trailhead: 38.8248° N · 77.7063° W

Get directions Open the map

23 mi from you

Blue Trail

Ends at a waterfall
Camp 1 mi away

2.1 mi out & back · 441 ft gain · Easy

VA · Camp 1 mi away

Yellow Trail

Ends at a waterfall
Camp 1 mi away

2.2 mi out & back · 417 ft gain · Easy

VA · Camp 1 mi away

Reston Blue Trail

Ends at Lake Anne

2.5 mi out & back · 185 ft gain · Easy

VA · Camp 7 mi away

Potomac Heritage National Scenic Trail (right bank)

Passes Scott's Run Falls
3,775 ft of climbing

58.2 mi one way · 3,775 ft gain · Very hard

VA · Camp 9 mi away

Link to South Valley Trail, Cabin Camp 5

Ends at Happyland Camp Five Lake
Inside Prince William Forest Park
1,106 ft of climbing

6.1 mi out & back · 1,106 ft gain · Moderate

Prince William Forest Park · Camp under a mile away

More like this

Hikes that read like this one, wherever they are.

Dawson's Trail
- Near Thoroughfare Gap
3.3 mi out & back · 485 ft gain · Moderate
VA
Beech Ridge Loop
- Near Thoroughfare Gap
1.7 mi loop · 199 ft gain · Easy
VA
Dark Hollow Trail
- Near Big Tom
- Camp 4 mi away
4.3 mi out & back · 810 ft gain · Moderate
VA · Camp 4 mi away
Upper Dark Hollow Trail
- Ends at Broyles Gap
- 1,657 ft of climbing
- Camp 4 mi away
7.1 mi out & back · 1,657 ft gain · Hard
VA · Camp 4 mi away

Weather

7-day forecast

Mon62°38°Mostly Sunny
Tue69°44°Sunny
Wed68°45°Sunny
Thu61°42°Light Rain Likely
Fri50°36°Chance Light Rain
Sat49°35°Slight Chance Rain And Snow
Sun54°Mostly Sunny

Mon: Mostly Sunny · wind 6 to 20 mph NW

National Weather Service · refreshed hourly

Signal

Cell coverage here

VerizonLTE · Fair
AT&TLTE · Poor
T-MobileLTE · Poor

FCC coverage data · signal varies in remote terrain