Home > Trail Notes > Big Rocky Run East

Rocky Run Stream Valley Park
Fairfax County Park Authority
Centreville, VA

This trail follows Big Rocky Run bounded by Fairfax County Parkway on the east and Ellanor C. Lawrence Park on the west. The trail mostly consists of dirt and gravel, passing through Greenbriar Park, which contains water, rest rooms, and sporting fields along Stringfellow Road.

Approximate Distance: 4 to 5+ miles
Surface: About 1/2 dirt trails and 1/2 asphalt trails

Location of trailheads
Eastern trailhead - ADC Map 12, H-11
Western trailhead - ADC Map 12, H-9

I would frequently run this trail when I worked in the Fair Lakes area. The trail offers about 5 miles of shaded running, with water stops during 3 seasons.

The eastern point of this trail starts at Fairfax County Parkway, a few hundred yards north of the intersection with Fair Lakes Parkway. The trailhead is not marked, but can be found directly across from Monument Drive, which offers a good place to park.

Along this first stretch, heading east to west, you find flat terrain, wooded and gravel paths, and lots of shade. You run along the southern border of the Greenbriar residential community and begin to see homes after a while. Side paths to the right lead you into this neighborhood.

After about 2 miles, you come to Stringfellow Road. Before getting to Stringfellow Road, you find a stream crossing to the left, comprised of circular, cement blocks. To enter the back of Greenbriar Park, cross the stream and turn right the crossing.

Otherwise, the trail continues for a short distance and exits the woods just north of Greenbriar Park. Turn left on Stringfellow Road and head about a hundred yards to the south to the gravel parking lot. You can stop at the park for rest rooms and water during most of the year.

Cross Stringfellow Road to locate a trail head marker. Follow the gravel path marked Big Rocky Run trail system. The trail takes you into the open for a while until you pass Poplar Tree Elementary School on your left.

About this point, the trail turns to asphalt for a little over 1 mile, until you get to Cabell's Mill in Ellanor C. Lawrence Park. (Historical note: This section used to be totally woods and swamp until about 1997. The trail system was connected as part of a housing development project.)

Cabell's Mill, located on Walney Road, consists of several buildings used by the Park County Park Authority. The main building can be rented for events such as wedding receptions. More important, the small house has a water spigot, usually equipped with a hose, that I have used to get water.

Across Walney Road you find a small pond with a walking bridge and small fishing piers. Cross the road and bear to the right of the pond to an entrance into the woods and another series of wooded, dirt trails.

Once a farm called Walney, Ellanor C. Lawrence Park provides several well-maintained loop trails through shaded woods. If you wish to add extra mileage, cross the bridge and enter the South Loop Trail which leads to the Visitor Center.

Follow this trail either to the left or the right and follow signs to the Visitor Center. If you bear to the left, you run along Walney Creek. If you prefer hills, bear to the right.

Walney Visitor Center was originally a farmhouse built about 1780 and now features exhibits that detail the property's long history of interaction between the land and its people. In 1875, James Machen enclosed a time capsule in a small wooden box and set it in a wall of the stone house he was expanding.

That stone house is now the Visitors Center that contains a small nature center, rest rooms, and a water fountain. You will also find an outdoor water fountain behind the visitor center. For more information:

The gravel parking lot at the pond marks the western access to this trail, but you can also park at either the Visitors Center or Cabell's Mill.

If you wish to continue running trails to the west beyond Cabell's Mill, follow the Big Rocky Run upstream from the pond:

Other sources of information for this trail:

 
 
 
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