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Mountain biking trails

Difficult Run Trail – Viewpoint - Great Falls loop from Wiehle–Reston East

Mountain biking trails

Difficult Run Trail – Viewpoint - Great Falls loop from Wiehle–Reston East

Moderate

3.3

(20)

68

riders

Difficult Run Trail – Viewpoint - Great Falls loop from Wiehle–Reston East

03:02

37.3km

280m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: September 24, 2026

Tips

Cycling is not permitted along parts of this route

After 17.3 km for 66 m

After 17.8 km for 66 m

Waypoints

A

Start point

Train Station

1

2.56 km

Lake Fairfax Mountain Bike Trails

Highlight • MTB Park

Lake Fairfax Park offers more than ten miles of sweet singletrack for riders of all skill levels. On top of that the park has a pump track and several jump …

Tip by

2

10.4 km

Cross Country Trail

Highlight (Segment) • Trail

This trail winds alongside the Difficult Run Stream before transitioning into the Difficult Run Trail towards the end of this segment. The views throughout the journey are breathtaking, giving you …

Tip by

11.1 km

Difficult Run

Lake

4

13.0 km

Difficult Run Trail

Highlight (Segment) • Trail

The Difficult Run Trail follows the stream from Georgetown Pike to the Potomac River. The trail, which is narrow and rocky in some sections, can be hazardous due to a …

Tip by

5

13.7 km

Difficult Run Trail

Highlight • Trail

16.5 km

Great Falls Park

Nature Reserve

7

17.6 km

Viewpoint - Great Falls

Highlight • Waterfall

8

29.1 km

Difficult Run Stream Crossing on Cross County Trail

Highlight • River

This is one of the points where the Cross County Trail crosses Difficult Run Stream. Depending on the amount of rainfall and the time of year, water levels may be elevated, so it's important to exercise caution.

Tip by

9

30.2 km

Difficult Run

Highlight • River

This stream branches off from the Potomac River, winding along the Difficult Run Trail. Its name isn't from the challenging nature of the trail itself, but rather from the sharp …

Tip by

10

30.6 km

Difficult Run Stream Stepping Stones Crossing

Highlight • Bridge

Definitely recommend to use the concrete pillars to cross. The concrete section for riding through is extremely slippery due to algae.

Tip by

33.1 km

Difficult Run Stream Valley Park

Nature Reserve

B

37.3 km

End point

Train Station

Way Types & Surfaces

Way Types

19.5 km

10.9 km

5.35 km

1.27 km

155 m

< 100 m

Surfaces

23.2 km

6.77 km

5.72 km

826 m

496 m

327 m

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Elevation

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

Highest point (120 m)

Lowest point (30 m)

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Weather

Powered by Foreca

Today

Monday 12 October

24°C

14°C

0 %

Additional weather tips

Max wind speed: 22.0 km/h

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