Flat Rock Ridge Trail and Grassy Gap Fire Road Loop
Flat Rock Ridge Trail and Grassy Gap Fire Road Loop
4.8
(4870)
19,761
hikers
07:11
18.8km
670m
Hiking
Hike the difficult 11.7-mile Flat Rock Ridge Trail and Grassy Gap Fire Road Loop in Doughton Park, gaining 2194 feet of elevation.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Get Directions
2.38 km
Highlight • Summit
4.28 km
Bell Knob
Peak
18.8 km
Highlight • Viewpoint
Tip by
18.8 km
End point
Parking
Way Types & Surfaces
Way Types
18.7 km
< 100 m
< 100 m
< 100 m
Surfaces
9.72 km
9.01 km
< 100 m
< 100 m
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Elevation
Highest point (990 m)
Lowest point (440 m)
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Weather
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Today
Tuesday 19 May
28°C
14°C
0 %
Additional weather tips
Max wind speed: 18.0 km/h
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This route was planned by komoot.
Most hikers complete the Flat Rock Ridge Trail and Grassy Gap Fire Road Loop in approximately 4 hours and 53 minutes to 5 hours and 39 minutes, depending on your pace and how often you stop to enjoy the views.
This loop is generally rated as moderate. The Grassy Gap Fire Road section is wide and relatively easy, offering a steady climb. The Flat Rock Ridge Trail features manageable singletrack ascents and descents, known for its scenic beauty.
Yes, the route offers breathtaking views. You'll pass by significant landmarks such as Flat Rock Knob and the Basin Cove Overlook. From various points, you can see the picturesque Linville Valley and prominent peaks like Roan, Hump, Grandfather, and Grandmother Mountains.
The trail ascends from the lower areas of Doughton Park to the Blue Ridge Parkway. Specific parking areas within Doughton Park would be your best bet for trailhead access. It's advisable to check Doughton Park maps for designated parking lots.
Yes, dogs are generally allowed on trails within Doughton Park, including this loop. However, they must be kept on a leash at all times to protect wildlife and ensure the safety of other hikers.
The trail offers seasonal beauty throughout the year. Spring brings wildflowers and blooms, while fall showcases spectacular colors. Summer provides lush greenery. For comfortable hiking temperatures and vibrant scenery, late spring, early summer, and fall are often considered the best times to visit.
There are typically no entrance fees or permits required for day hiking within Doughton Park, which is part of the Blue Ridge Parkway. However, if you plan on backcountry camping, the Grassy Gap Fire Road provides access to designated sites that may require permits.
Yes, the route incorporates sections of several other trails. You'll primarily be on the Grassy Gap Fire Road and the Flat Rock Ridge Trail, but it also briefly intersects with the Bluff Mountain Trail, Cedar Ridge Trail, and the Bluff Ridge Primative Trail.
Doughton Park is home to diverse wildlife. Hikers often spot various bird species, deer, and smaller mammals. Keep an eye out for signs of black bears, though direct encounters are less common. Always maintain a respectful distance and never feed wildlife.
Given its moderate difficulty, distance of nearly 19 kilometers, and elevation changes, this loop might be challenging for very young children or absolute beginners. It's better suited for hikers with some experience or those accustomed to longer distances and varied terrain.
For this moderate, longer hike, essential items include plenty of water, snacks, appropriate hiking footwear, layers of clothing for changing weather, sun protection (hat, sunscreen), a map or GPS device, and a first-aid kit. Trekking poles can also be helpful for the ascents and descents.