Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Routes
MTB trails
United States
Virginia
Fairfax County

Hemlock Overlook Regional Park

The best MTB trails in Hemlock Overlook Regional Park

4.7

(15)

344

riders

6

rides

Mountain biking in Hemlock Overlook Regional Park offers access to challenging natural terrain within a landscape characterized by dense forests, hilly woodlands, and floodplain scenery along the Bull Run. The park serves as a gateway to the broader Bull Run Occoquan Trail (BROT) system, known for its natural surface singletrack and doubletrack. Riders can expect technical elements such as rocks, roots, logs, and steep climbs and descents. The area features mature forests with eastern hemlock trees and diverse ecological zones.

Last updated: June 28, 2026

3.3

(3)

109

riders

#1.

Fountainhead Full Loop

20.1km

01:45

190m

190m

The Fountainhead Full Loop delivers a high-octane mountain biking experience through dense woods and along the scenic Occoquan Reservoir. You'll navigate a thrilling mix of hard-packed, flowy sections, technical rock…

Navigate with device

Send to Phone

Save

Hard

16

riders

21.3km

01:55

260m

260m

The Bull Run Occoquan Trail offers a rugged mountain biking experience through extensive woodlands in Northern Virginia, with frequent views of the sparkling Occoquan Reservoir. You'll encounter a natural surface…

Hard
guide_signup
Let us show you the way with the komoot mobile app
With a free komoot account, you can easily find, customize, and navigate endless outdoor adventures.

Sign up for free

The Start Black Loop at Fountainhead Regional Park delivers a truly demanding mountain biking experience, packed with technical singletrack. You'll navigate

Hard

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

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

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

Start today with a free account

Your next adventure awaits.

Login or Signup

Popular around Hemlock Overlook Regional Park

Hiking in Hemlock Overlook Regional Park

Road Cycling Routes in Hemlock Overlook Regional Park

Cycling in Hemlock Overlook Regional Park

Running Trails in Hemlock Overlook Regional Park

Tips from the Community

Alex
September 9, 2024, Fountainhead Regional Park Mountain Bike Trails

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.

0

0

The park includes hills, dense forests and a stream that flows into the Potomac River. In this park the Bull Run-Occoquan Trail begins and continues along Hemlock Overlook Regional Park and ends at Bull Run Regional Park.

0

0

The park includes hills, dense forests and a stream that flows into the Potomac River. In this park the Bull Run-Occoquan Trail begins and continues along Hemlock Overlook Regional Park and ends at Bull Run Regional Park.

1

0

LadyDi
August 14, 2022, Start Black Loop

Fountainhead features various loops of awesome singletracks for novice, intermediate and expert riders. On the black route several rock gardens going up and downhill will keep you on your toes. Expert riders will love it! And in case you are wondering: Clockwise is the way to go.

2

0

This out-and-back trail will get your heart pumping due to several exposed and challenging segments. If you are looking for a physically demanding workout on your bike, then this is your trail.

1

0

Frequently Asked Questions

What is the general difficulty level of mountain bike trails in Hemlock Overlook Regional Park?

The mountain bike trails accessible from Hemlock Overlook Regional Park, primarily through the Bull Run Occoquan Trail (BROT) system, are generally considered difficult. They feature challenging natural surfaces, including singletrack and doubletrack, with technical elements like rocks, roots, logs, loose sand, ledges, and steep climbs and descents. All 6 mountain bike routes listed for this area on komoot are rated as difficult.

Are there any beginner-friendly mountain biking options near Hemlock Overlook Regional Park?

While the trails directly accessible from Hemlock Overlook Regional Park are rated as difficult and feature technical challenges, nearby Fountainhead Regional Park offers dedicated mountain biking trails with options for beginner, intermediate, and advanced riders. It's a good idea to check their specific trail ratings if you're looking for less challenging routes.

What kind of terrain can I expect on the mountain bike trails?

You can expect a diverse and challenging natural terrain. The trails wind through dense, mature forests, hilly woodlands, and along the floodplain of the Bull Run. The surface is typically natural, featuring singletrack and doubletrack with technical elements such as rocks, roots, logs, loose sand, ledges, steep climbs and descents, and narrow bridges. The area is known for its significant shade canopy provided by eastern hemlock, sycamore, and tulip poplar trees.

Are there any loop trails for mountain biking in the area?

Yes, there are several loop options available. For example, you can explore the Fountainhead Full Loop, which is 12.5 miles long, or the shorter Start Black Loop loop from Fountainhead Regional Park, which covers 4.8 miles. Another option is the Fountainhead Regional Park – Fountainhead Regional Park loop from Fountainhead Regional Park, an 8.6-mile route.

What are the best times of year to go mountain biking in Hemlock Overlook Regional Park?

The park's dense forests provide a significant shade canopy, which can be pleasant during warmer months. However, given the technical nature of the trails and their natural surfaces, conditions can vary. It's always advisable to check local trail conditions, especially after rain, as trails in this region, particularly at Fountainhead Regional Park (which influences BROT access), are often closed due to wet conditions to prevent damage.

Are dogs allowed on the mountain bike trails?

The region's trails, including sections of the Bull Run Occoquan Trail, generally permit dogs. However, specific rules can vary by park and trail section. It's always best to check the official regulations for Hemlock Overlook Regional Park and the Bull Run Occoquan Trail to confirm current pet policies and ensure your dog is on a leash where required.

What historical or natural landmarks can I see while mountain biking?

While mountain biking on the Bull Run Occoquan Trail, you'll be riding through an area rich in natural beauty and historical significance. The park itself is known for its mature forests, including eastern hemlock trees, and the picturesque Bull Run. Historically, the broader area holds significance related to the Battles of Bull Run, and you might encounter remnants like the Orange and Alexandria Railroad bridge crossing.

Where can I park when visiting Hemlock Overlook Regional Park for mountain biking?

Hemlock Overlook Regional Park provides parking facilities for visitors. Since mountain biking is primarily accessed via the Bull Run Occoquan Trail (BROT) from Fountainhead Regional Park, parking at Fountainhead Regional Park is also a common option for mountain bikers looking to ride this section of the BROT.

What do other mountain bikers say about the trails in Hemlock Overlook Regional Park?

The mountain bike routes in Hemlock Overlook Regional Park are highly rated by the komoot community, with an average score of 4.7 stars from over 10 reviews. Mountain bikers often praise the challenging technical sections, the immersive experience of riding through dense forests, and the natural beauty along the Bull Run.

How many mountain bike trails are available in Hemlock Overlook Regional Park?

There are 6 mountain bike routes available for exploration in and around Hemlock Overlook Regional Park on komoot. All of these routes are rated as difficult, offering a challenging experience for experienced riders.

Is public transport an option to reach Hemlock Overlook Regional Park?

Hemlock Overlook Regional Park is primarily accessed by car, as public transport options to this specific park and its trailheads are limited. It's advisable to plan for private transportation to reach the park and its mountain biking access points.

Are there any longer mountain bike routes for extended rides?

Yes, for longer rides, the Bull Run Occoquan Trail offers a substantial 13.2-mile (21.3 km) path that follows the Bull Run, providing a challenging and extended experience. Another option is the Fountainhead Full Loop at 12.5 miles (20.1 km).

Most popular routes in Hemlock Overlook Regional Park

Easy hikes in Hemlock Overlook Regional Park

Store rating

Get inspired with the komoot mobile app

With a free komoot account, you can easily find, customize, and navigate endless outdoor adventures.

or

Join komoot Now

Store rating

Explore more

Browse the best MTB trails in other regions.

LortonLaurel HillCrosspointeOccoquan Regional ParkSandy Run Regional ParkFranconiaKingstowneNewington ForestNewingtonFountainhead Regional ParkWest SpringfieldNorth SpringfieldSpringfieldAnnandaleKings ParkWakefieldRavensworthLincolniaBurkeBurke CentreFairfax StationRose HillGreat FallsRestonUnion MillSeneca Regional ParkLong BranchKings Park WestHerndonOld Courthouse Spring Branch ParkSouth RunMerrifieldWest Falls ChurchWolf TrapDifficult RunMantuaWoodburnDranesvilleHayfieldLake BarcroftMason NeckFort BelvoirGreat Falls CrossingChantillyBull RunFranklin FarmFlorisOaktonSully SquarePohick Bay Regional ParkNavyMcleanViennaTysonsGrovetonMcnairHutchisonMeadowood Recreation AreaBailey'S CrossroadsSeven CornersWoodlawnMount VernonFalls ChurchIdylwoodDunn LoringBraddockPimmit HillsFair LakesFair OaksBull Run Regional ParkCentrevilleGreenbriarBelle HavenHybla ValleyHuntingtonFort Hunt

Nearby adventure guides

Things to Do in Manassas Park city

background

Get ready to conquer new peaks

Sign up for Free

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy