Routes

Planner

Features

Updates

App

Get the App

Routes

Mountain biking trails

United States

Virginia

Fairfax County

Start Black Loop loop from Fountainhead Regional Park

Routes

Mountain biking trails

United States

Virginia

Fairfax County

Start Black Loop loop from Fountainhead Regional Park

Hard

4.8

(4717)

10,243

riders

Start Black Loop loop from Fountainhead Regional Park

00:41

7.76km

90m

Mountain biking

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. The starting point of the route is right next to a parking lot.

Last updated: April 19, 2026

Waypoints

Start point

Parking

Get Directions

169 m

Fountainhead Regional Park Mountain Bike Trails

Highlight • MTB Park

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 …

Tip by

5.05 km

Start Black Loop

Highlight • MTB Park

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. …

Tip by

7.65 km

Trailhead – Bull Run Occoquan Trail

Highlight • Trail

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.

Tip by

7.76 km

End point

Parking

Way Types & Surfaces

Way Types

7.35 km

182 m

174 m

< 100 m

Surfaces

7.33 km

256 m

114 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Today

Tuesday 19 May

36°C

19°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

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

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Embed on a website

Report an Issue

Nearby routes

Hard

3.3

108

Fountainhead Full Loop

01:45h

20.1km

190m

Hard

4.7

South Branch, Boss, Yard Sale, and Stinger Loop

00:35h

6.78km

60m

Moderate

4.5

Wakefield Park MTB Trail

00:32h

6.91km

40m

Moderate

5.0

Rails to River Trail

00:38h

7.38km

60m

Hard

Bull Run Occoquan Trail

01:55h

21.3km

260m

Hard

4.0

Col du Shade Loop

00:35h

6.65km

60m

Easy

Blue Trail Loop

00:28h

5.49km

40m

Moderate

Bull Run Overlook and Wetlands Way Loop

01:01h

12.2km

60m

Easy

Powell's Creek and North Pond Loop

00:36h

7.58km

80m

Easy

Accotink Loop Trail

00:27h

5.36km

40m

Easy

Old Blacktop and Taylor Farm Road Loop

01:09h

15.0km

150m

Easy

Potomac Heritage Trail Loop

00:48h

14.2km

130m

Start Black Loop loop from Fountainhead Regional Park

Fountainhead Regional Park Mountain Bike Trails

Start Black Loop

Trailhead – Bull Run Occoquan Trail

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️