5.0
(2094)
18,058
riders
00:38
7.38km
60m
Mountain biking
Get ready for a moderate mountain biking adventure on the Rails to River Trail, a 4.6-mile (7.4 km) route within Lake Fairfax Park. You'll navigate through shaded forested areas, enjoying picturesque scenery as you follow Colvin Run. The trail offers a mix of beginner-friendly sections and some technical elements, making…
Last updated: April 23, 2026
Waypoints
Start point
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3.46 km
Highlight • MTB Park
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7.38 km
End point
Way Types & Surfaces
Way Types
7.30 km
< 100 m
Surfaces
7.29 km
< 100 m
< 100 m
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Elevation
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Today
Tuesday 26 May
22°C
18°C
31 %
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Max wind speed: 12.0 km/h
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This route was planned by komoot.
Yes, the Rails to River Trail is largely considered beginner-friendly and is recognized as the most beginner-friendly trail within Lake Fairfax Park. It's suitable for families, though it does include some moderate terrain, occasional steep or narrow pitches, and technical rock sections that can be walked if needed.
The trail primarily features singletrack and doubletrack with swooping turns. You'll encounter rock gardens, rocky and rooty sections, and undulating terrain with short climbs and descents. A distinguishing feature is the numerous creek and river crossings, some with slippery rocks, and flowy sections with tabletops. Portions are also gravel.
Yes, this trail serves as a crucial connector, linking the W&OD Trail to the Cross County Trail. The route also passes through sections of the Rails to River Trail, Ferlin's Folly, FlowJoe, and Jawbreaker.
Yes, the trail is dog-friendly. Please ensure your dog is on a leash and you follow all park regulations.
The trail winds through forested areas, providing ample shade, which makes it particularly pleasant for summer rides. However, the frequent creek crossings can be more challenging after heavy rains, as wet tires may reduce traction on subsequent rocky sections.
The Rails to River Trail is located within Lake Fairfax Park in Reston, Virginia. Parking is available within the park itself, providing convenient access to the trailhead.
Access to Lake Fairfax Park, where the Rails to River Trail is located, may involve entrance fees depending on the season or specific park events. It's advisable to check the official Lake Fairfax Park website for current fee schedules and any permit requirements before your visit.
You'll ride through picturesque forested areas that offer plenty of shade. The trail follows Colvin Run and traverses areas with fields of ferns and mature, towering trees, including a section designated as a wildlife sanctuary.
Yes, the trail is accessible to Class 1 e-bikes, allowing for a wider range of riders to enjoy the route.
A distinguishing feature is the numerous creek and river crossings, some of which can be awkward or involve slippery rocks, adding an exciting challenge. There are also flowy sections that include tabletops, contributing to a fun and engaging ride.
The route is approximately 7.4 km long and typically takes around 38 minutes to complete by mountain bike, depending on your pace and how often you stop.