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United States
Virginia

Fairfax County

The best MTB trails in Fairfax County

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.

Best mountain bike trails in Fairfax…

Last updated: April 25, 2026

3.3

(3)

109

riders

#1.

Fountainhead Full Loop

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…

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Hard

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…

Hard
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4.5

(4)

43

riders

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)…

Moderate

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…

Moderate

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.…

Hard

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.

Easy

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

Moderate

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

Moderate

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

Moderate

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.

Hard
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Popular around Fairfax County

MTB Trails around Lorton

MTB Trails around Crosspointe

MTB Trails around Laurel Hill

MTB Trails in Occoquan Regional Park

MTB Trails around Franconia

MTB Trails around Kingstowne

MTB Trails around Newington

MTB Trails around Newington Forest

MTB Trails around West Springfield

MTB Trails around Springfield

Other adventures in Fairfax County

Gerry Connolly Cross County Trail — Quiet forests, open parks, and stream valleys

Hiking Collection by

Scott

Tips from the Community

Scott
July 29, 2025, Laurel Hill Park

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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Find a turtle

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Sue
May 21, 2025, Lake Fairfax Park

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.

1

0

Diana
August 16, 2022, Yard Sale Trail

Yard Sale is not difficult when you ride slow, but with speed it's a different story.

1

0

Diana
August 16, 2022, The Boss Trail

The Boss Trail is true gem in the DC area. The variety of built wooden features ist just mind blowing.

2

0

Frequently Asked Questions

How many mountain bike trails are available in Fairfax County?

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.

Are there mountain bike trails suitable for beginners in Fairfax County?

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.

Where can I find challenging mountain bike trails in Fairfax County?

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.

Are there any mountain bike trails with scenic views or natural features?

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.

What do other mountain bikers enjoy most about the trails in Fairfax County?

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.

Are there mountain bike trails that are family-friendly?

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.

Can I bring my dog on the mountain bike trails in Fairfax County?

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.

Are there any mountain bike trails that are loop routes?

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.

What is the best time of year for mountain biking in Fairfax County?

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.

Are there mountain bike trails accessible by public transport?

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.

Are there any nearby attractions or points of interest along the mountain bike routes?

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.

Where can I find parking for mountain biking trails in Fairfax County?

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.

Most popular routes in Fairfax County

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Didn’t find what you were looking for?

Check out more MTB trails throughout Fairfax County below and find the perfect route in your destination.

GrovetonFairfax StationIdylwoodMason NeckLaurel HillSully SquareUnion MillOld Courthouse Spring Branch ParkMeadowood Recreation AreaFountainhead Regional ParkLake BarcroftMcnairMount VernonBelle HavenTysonsNorth SpringfieldBurkeBurke CentreCrosspointeDranesvilleFlorisFort HuntGreat FallsBull RunHayfieldHutchisonLincolniaLong BranchMcleanNavyNewingtonOaktonSeven CornersGreenbriarMantuaSouth RunWakefieldRavensworthWolf TrapWoodlawnBraddockWest SpringfieldFranklin FarmHuntingtonOccoquan Regional ParkSandy Run Regional ParkWoodburnMason Neck State ParkDunn LoringLortonFalls ChurchSpringfieldWest Falls ChurchFair OaksRestonHybla ValleyKingstowneMason Neck National Wildlife RefugeSeneca Regional ParkKings ParkFranconiaBailey'S CrossroadsGreat Falls CrossingAnnandaleMerrifieldKings Park WestChantillyHerndonNewington ForestCentrevilleRose HillFort BelvoirDifficult RunFair LakesHemlock Overlook Regional ParkBull Run Regional ParkPimmit HillsViennaPohick Bay Regional Park

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