4.8
(113)
1,264
riders
59
rides
Mountain biking in Fairfax County offers a diverse landscape with extensive park systems and dedicated trails. The region features significant green spaces, including large regional parks and natural preserves, alongside major waterways like the Potomac and Occoquan Rivers. Terrain varies from flat paths to areas with steep sections, rocks, and roots, providing a range of experiences for mountain bikers. These natural features contribute to a comprehensive network of trails suitable for various skill levels.
Last updated: April 25, 2026
3.3
(3)
109
riders
20.1km
01:45
190m
190m
The Fountainhead Full Loop offers a difficult mountain biking experience, winding through wooded areas with dynamic terrain. You'll navigate hard-packed, fast singletrack, encountering technical features like berms, jumps, and rock…
4.7
(3)
56
riders
6.78km
00:35
60m
60m
Get ready for a challenging mountain biking experience on the South Branch, Boss, Yard Sale, and Stinger Loop. This difficult route spans 4.2 miles (6.8 km) and takes about 34…

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4.5
(4)
43
riders
6.91km
00:32
40m
40m
Experience the Wakefield Park MTB Trail, a moderate mountain biking route that winds through lush wooded areas, offering a diverse and engaging ride. You will cover 4.3 miles (6.9 km)…
5.0
(1)
35
riders
7.38km
00:38
60m
60m
Get ready for a moderate mountain biking adventure on the Rails to River Trail, a 4.6-mile (7.4 km) route within Lake Fairfax Park. You'll navigate through shaded forested areas, enjoying…
17
riders
21.3km
01:55
260m
260m
Embark on a challenging mountain biking adventure along the Bull Run Occoquan Trail, a difficult 13.2-mile (21.3 km) route that features a significant 852 feet (260 metres) of elevation gain.…
2
riders
5.36km
00:27
40m
40m
An easy 3.3 miles (5.4 km) mountain biking loop in Lake Accotink Park, offering lake views, forest trails, and historical sights.
5.0
(9)
105
riders
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
5.0
(4)
77
riders
12.9km
01:04
120m
120m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
5.0
(22)
84
riders
16.1km
01:16
180m
180m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
5.0
(2)
69
riders
7.75km
00:41
90m
90m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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Popular around Fairfax County
This park used to be the site of the Lorton Reformatory, a former prison. You'll see subtle reminders of its past as you walk, like some of the older, more robust fencing or the occasional brick structure peeking through the trees.
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Lake Fairfax Park spans 18 acres surrounding the beautiful lake of its namesake. It includes a water park, carousel, picnic areas, campgrounds, multi-use trails, and several playgrounds. The park is known to host several music festivals, including Lollapalooza and The HFStival.
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Fountainhead Regional Park's mountain bike trails offer nearly 15 miles of single-use loops with features like steep climbs, rock gardens, and fast descents. The trail system includes beginner, intermediate, and advanced loops, with the black loop featuring rock step-ups, wooden turns, and jumps. Trails are directional, designed for clockwise travel only, and helmets are required here. The park closes at dark or when the trail is wet. Managed by NVRPA, the park’s trail was developed through partnerships and has earned a reputation as some of the area's most challenging rides.
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Convenient overpass over the WOD trail. Direct access to the square.
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The trail system at Lake Accotink features six miles of mostly intermediate singletrack. If this is not enough just head over to Wakefield Park and connect both trail system to a big loop.
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Yard Sale is not difficult when you ride slow, but with speed it's a different story.
1
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The Boss Trail is true gem in the DC area. The variety of built wooden features ist just mind blowing.
2
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Fairfax County offers a wide selection of mountain biking opportunities, with over 50 trails available. These routes cater to various skill levels, from easy loops to challenging singletracks.
Yes, Fairfax County has 15 easy mountain bike trails perfect for beginners. A great option is the Accotink Loop Trail, which offers a relatively flat and scenic ride around Lake Accotink, ideal for those new to mountain biking.
For experienced riders seeking a challenge, Fountainhead Regional Park is a prime destination. The Fountainhead Full Loop is a difficult 12.5-mile singletrack known for its fast, technical sections. Another demanding option is the Bull Run Occoquan Trail, offering a longer, challenging ride with significant elevation changes.
Many trails in Fairfax County offer beautiful scenery. The Bull Run Occoquan Trail provides scenic waterfront views along the Occoquan River. For stunning natural features, consider visiting Great Falls of the Potomac River, which offers breathtaking waterfalls and river views, though mountain biking trails are separate from the immediate falls area.
The mountain biking experience in Fairfax County is highly rated by the komoot community, with an average score of 4.8 stars from over 70 reviews. Riders frequently praise the diverse terrain, ranging from smooth paths to technical singletracks, and the extensive network of trails that cater to all ability levels.
Yes, several trails are suitable for families. The Accotink Loop Trail at Lake Accotink Park is an easy option with lake views and forest trails, perfect for a family outing. Lake Fairfax Park also offers routes like the Rails to River Trail, which are generally moderate and enjoyable for families with some riding experience.
Many parks and trails in Fairfax County are dog-friendly, but regulations can vary. It's always best to check specific park rules before heading out. Generally, dogs are welcome on leash on most multi-use trails, but some singletrack mountain bike trails might have restrictions. Always ensure your dog is well-behaved and under control.
Yes, many mountain bike trails in Fairfax County are designed as loops for convenience. The Fountainhead Full Loop is a popular challenging loop. For a moderate option, the Wakefield Park MTB Trail also offers a loop through varied terrain.
Spring and fall generally offer the most pleasant conditions for mountain biking in Fairfax County, with mild temperatures and beautiful foliage. Summer can be hot and humid, while winter can bring cold temperatures and occasional snow or ice, which may close or make some trails difficult to ride. Always check local trail conditions before you go.
While many mountain biking parks in Fairfax County are best accessed by car, some trails or trailheads may be reachable via public transport options like Fairfax Connector buses or Metro stations, often requiring a short ride or walk to the trailhead. For example, the Washington & Old Dominion (W&OD) Trail, a paved multi-use trail that connects to some mountain biking areas, is accessible from various points with public transport connections.
Fairfax County's trails often pass by or are close to various attractions. You can find highlights like Lake Accotink near the Accotink Loop Trail, or the Wakefield MTB Trail System. The region also features natural monuments such as the Great Falls of the Potomac River, offering stunning views and hiking opportunities nearby.
Most major mountain biking parks in Fairfax County, such as Fountainhead Regional Park, Wakefield Park, and Lake Fairfax Park, offer dedicated parking facilities at their trailheads. It's advisable to check the specific park's website or komoot tour details for parking information and any potential fees before your visit.


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