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The park has approximately four miles of trails for hiking, bird watching, jogging and walking in upland and bottomland forest and along meadows. Bicycles are permitted only on Walney Road and Big Rocky Run Stream Valley Trails. Trails are accessible from the Walney Visitor Center, the Middlegate/Cabell’s Mill complex and Walney Pond.
The Big Rocky Run Stream Valley Trail is a gravel/paved, two-mile trail that begins at the Middlegate/Cabell’s Mill complex and ends at the Fairfax County Parkway.
Trail maps are available at the Walney Visitor Center. Please be aware of other park patrons when using the trail system.
12000 Government Center Pkwy
Fairfax, VA 22035