Looking for the best mountain biking routes in Sandy Run Regional Park? Then browse our collection of mtb rides around this beautiful natural park in Fairfax County below — and discover more of on your next visit.

Last updated: October 2, 2025

3.3

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102

riders

1. Fountainhead Full Loop – Fountainhead Regional Park

20.1km

01:45

190m

Expert 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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3.0

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2. Start Black Loop loop from Occoquan Forest

12.4km

01:06

150m

Expert 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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5.0

(1)

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3. Mountainbike loop from Occoquan Forest

4.93km

00:24

60m

Expert 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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4. Bull Run Occoquan Trail – Fountainhead Regional Park

21.3km

01:55

260m

Expert 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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5. Burke Lake Trail – View of Burke Lake loop from South Run

8.24km

00:37

30m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Browse the best MTB trails in other regions.

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The best MTB trails in Sandy Run Regional Park

1. Fountainhead Full Loop – Fountainhead Regional Park

2. Start Black Loop loop from Occoquan Forest

3. Mountainbike loop from Occoquan Forest

4. Bull Run Occoquan Trail – Fountainhead Regional Park

5. Burke Lake Trail – View of Burke Lake loop from South Run

Most popular routes in Sandy Run Regional Park

Get inspired with the komoot mobile app

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Get ready to conquer new peaks

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