close
3D
Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Inadequate
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
- < 2 days
- < 1 week
- < 2 weeks
- < 1 month
- < 6 months
- > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
- Downhill Only
- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
Contribute Details
Colors indicate trail is missing specified detail.
- Description
- Photos
- Description & Photos
- Videos
Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months.
Trails are compared with nearby trails in the same city region with a possible 25 colour shades.
Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
Radar Time
x
Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
- mountain biking recent
- mountain biking (>6 month)
- hiking (1 year)
- moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
- Downhill Ski
- Backcountry Ski
- Nordic Ski
- Snowmobile
Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x
Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
Only show trails with NO bikes.
Save the current map location and zoom level as your default home location whenever this page is loaded.
SavePopular Trail Networks
view all areas »
No description for Fairfax County has been added yet!
Login or register to submit one.
Activities Click to view
- Mountain Bike
245 trails
- E-Bike
70 trails
- Horse
12 trails
- Hike
259 trails
- Trail Running
259 trails
Stats
- Avg Trail Rating
- Trails (view details)
- 249
- Trails Mountain Bike
- 248
- Trails E-Bike
- 70
- Trails Horse
- 12
- Trails Hike
- 259
- Trails Trail Running
- 259
- Total Distance
- 182 miles
- Total Descent
- 13,442 ft
- Total Vertical
- 459 ft
- Highest Trailhead
- 464 ft
- Reports
- 4,441
- Photos
- 728
- Ridden Counter
- 43,908
Sub Regions
- Annandale (49)
- 495 Jumps (7)
- Wakefield Park (40)
- Fairfax (6)
- Fairfax Station (9)
- Franconia (6)
- Kingstowne Park (6)
- Great Falls (18)
- Great Falls Park (8)
- River Bend Park (9)
- Groveton (16)
- Lorton (23)
- McLean (0)
- Reston (33)
- Fred Crabtree Park (1)
- Lake Fairfax Park (33)
- Springfield (46)
- Brookfield Park (1)
- Lake Accotink Park (44)
- Sterling (15)
- Upper Potomac Park (15)
- Tysons (4)
Popular Fairfax County Mountain Biking Trails
status | title | difficulty | rating |
---|---|---|---|
Green Loop Fountainhead Regional Park | |||
Blue Loop Fountainhead Regional Park | |||
Loop 2 Technical Fountainhead Regional Park | |||
Old Shockabilly Fountainhead Regional Park | |||
Southside Lake Fairfax Park | |||
FlowJoe Lake Fairfax Park | |||
Black Loop Fountainhead Regional Park | |||
Wagon Wheel Lake Fairfax Park | |||
White Rabbit aka The Luge Lake Fairfax Park | |||
Bucksnort Lake Fairfax Park | |||
Boss Meadowood Special Recreation Area | |||
Yard Sale Meadowood Special Recreation Area | |||
The Berms Wakefield Park | |||
Berm Ascent Trail Wakefield Park | |||
South Branch Loop Meadowood Special Recreation Area |
Fairfax County Mountain Bike Routes
title | rating | distance |
---|---|---|
Smiles Per Miles Fountainhead Regional Park | 7 miles | |
Fountainhead Blue Loop Fountainhead Regional Park | 6 miles | |
Lake Fairfax #1 Reston | 8 miles | |
Fountainhead Black Loop Fountainhead Regional Park | 12 miles | |
Fountainhead Black Loop Bypass Fountainhead Regional Park | 8 miles | |
Fountainhead Full Tour Fountainhead Regional Park | 12 miles | |
Fountainhead Green Loop Fountainhead Regional Park | 2 miles | |
Lake Fairfax simple loop from Skate Rink Lake Fairfax Park | 5 miles | |
Self Guided "Dirty Turtle" Lake Fairfax Park | 8 miles | |
MORE - Casual Wakefield Ride Wakefield Park | 9 miles |
Photos of Fairfax County Mountain Bike
trail: MTB Trail
22 |
May 18, 2023 @ 3:05pm
May 18, 2023
trail: MTB Trail
23 |
May 18, 2023 @ 3:05pm
May 18, 2023
trail: MTB Trail
28 |
May 7, 2023 @ 7:58am
May 7, 2023
trail: MTB Trail
23 |
May 7, 2023 @ 7:58am
May 7, 2023
trail: MTB Trail
30 |
May 7, 2023 @ 7:58am
May 7, 2023
trail: Soup Kitchen
40 |
Jul 31, 2022 @ 11:46am
Jul 31, 2022
trail: Soup Kitchen
68 |
Nov 18, 2021 @ 7:43am
Nov 18, 2021
trail: Potomac Heritage Trail
126 |
Mar 7, 2020 @ 9:18am
Mar 7, 2020Videos of Fairfax County Mountain Bike

trail: Slaughterhouse Loop
14 |
Sep 19, 2022

trail: Black Loop
272 |
May 27, 2021

trail: Blue Loop
0:09 |
182 |
Aug 23, 2020

trail: Loop 2 Technical
0:07 |
126 |
Aug 23, 2020

trail: Boss
1:58 |
146 |
May 16, 2020

trail: Yard Sale
1:14 |
732 |
Aug 11, 2017
Current Trail Warnings
status | trail | date | condition | user | info |
---|---|---|---|---|---|
White Trail to Yellow Upper Potomac Park | Sep 22, 2023 @ 1:02pm Sep 22, 2023 | Variable | bill32 | Many many trees down |
Recent Trail Reports
status | trail | date | condition | info | user |
---|---|---|---|---|---|
Power Station Descent Hill Wakefield Park | Oct 3, 2023 @ 11:41am 1 day | Dry | ErnieR MORE-LDRSH | ||
Blue Loop Fountainhead Regional Park | Sep 30, 2023 @ 6:37am Sep 30, 2023 | Unknown | j0ey | ||
Soccer Fields Connector Lake Fairfax Park | Sep 30, 2023 @ 3:58am Sep 30, 2023 | Ideal | h1S1u2xM | ||
Ferlin's Folly Lake Fairfax Park | Sep 30, 2023 @ 3:58am Sep 30, 2023 | Ideal | h1S1u2xM | ||
Connector Wakefield Park | Sep 28, 2023 @ 11:50am Sep 28, 2023 | Dry | ErnieR MORE-LDRSH | ||
Hydra Wakefield Park | Sep 28, 2023 @ 11:50am Sep 28, 2023 | Dry | ErnieR MORE-LDRSH | ||
Gravel Access Road Wakefield Park | Sep 28, 2023 @ 11:50am Sep 28, 2023 | Dry | ErnieR MORE-LDRSH | ||
Yellow Trail Upper Potomac Park | Sep 22, 2023 @ 1:02pm Sep 22, 2023 | Ideal | bill32 | ||
Orange Trail Upper Potomac Park | Sep 20, 2023 @ 2:12pm Sep 20, 2023 | Ideal | bill32 | ||
Green Trail Upper Potomac Park | Sep 20, 2023 @ 2:12pm Sep 20, 2023 | Ideal | bill32 |
Activity Feed
username | action | type | title | date |
---|---|---|---|---|
ErnieR | add | report | Power Station Descent Hill | Oct 3, 2023 @ 7:37pm 1 day |
JosephTGDZnz | vote | trail | White Rabbit aka The Luge | Oct 3, 2023 @ 1:05pm 1 day |
SeanWkMXof | wishlist | trail | Potomac Heritage Trail | Oct 3, 2023 @ 7:40am 2 days |
h1S1u2xM | add | report | Soccer Fields Connector and 1 more | Oct 1, 2023 @ 5:48am Oct 1, 2023 |
j0ey | add | report | Blue Loop | Sep 30, 2023 @ 7:04pm Sep 30, 2023 |
Recent Comments
username | type | title | comment | date |
---|---|---|---|---|
trail | The bad news is that this is BLM land and they... | Aug 18, 2023 @ 5:29am Aug 18, 2023 | ||
report | Blue loop | Jul 30, 2023 @ 7:54am Jul 30, 2023 | ||
trail | Dumb choice. Made the lips way to steep.... | Jul 4, 2023 @ 4:10pm Jul 4, 2023 | ||
trail | best to go clockwise, best trail at this park! | Jun 30, 2023 @ 6:54pm Jun 30, 2023 | ||
trail | Closed today. Wet trail conditions. | Jun 25, 2023 @ 6:25am Jun 25, 2023 |
Local Badges
-
Completionist7 awarded -
Climbing 10k Badge50 awarded -
10 Green Trails244 awarded -
Completionist4 awarded -
10 Blue Trails368 awarded -
10 Blue Trails277 awarded
Bike & Skill Parks
name | type | city | rating |
---|---|---|---|
Lake Fairfax Skills Park | skill park | Reston | |
Brookfield Pump Track | skill park | Springfield |
Local Mountain Biking Directory
-
Mid-Atlantic Off Road Enthusiasts (MORE)
-
Bicycle Pro Shop - Springfield
-
Trek Bicycle FairfaxBike Shop
-
The Bike Lane Reston
-
Trek Bicycle Springfield
-
Rei FairfaxBike Shop
Activity Type Stats
activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mountain Bike | 245 | 175 miles | 12,841 ft | 69 miles | 459 ft | 708 | 4,462 | 23 | 48,207 | |||
E-Bike | 70 | 73 miles | 4,393 ft | 27 miles | 417 ft | 1 | 3,893 | 5 | 1,547 | |||
Horse | 12 | 18 miles | 1,398 ft | 7 miles | 262 ft | 930 | 5 | |||||
Hike | 259 | 167 miles | 11,588 ft | 64 miles | 459 ft | 6 | 4,205 | 1 | 1,195 | |||
Trail Running | 259 | 167 miles | 11,588 ft | 64 miles | 459 ft | 4,204 | 2 | 606 |
- By brenthillier
NSMBA TRAILFORKS & contributors
- Admins: theWVPedaler, ErnieR, Turntex, PlumbBobM, MORE-NOVA-ld
- #16477 - 4,672 views
- fairfax county activity log | embed map of Fairfax County mountain bike trails | fairfax county mountain biking points of interest polygons
Downloading of trail gps tracks in kml & gpx formats is enabled for Fairfax County.
You must login to download files.