Riverbend Park 
8700 Potomac Hills St.
Great Falls, VA 22066
703/759-9018
http://www.fairfaxcounty.gov/parks/riverbend/
Park: Bike, Birding, Picnic, Walk, Water Sports
Enjoy over 400 acres of forest, meadows, ponds and streams bordering the Potomac River. Numerous resident and migrant birds and spectacular wildflowers are highlights. A pavilion is available for reservations on a first-come, first served basis, starting April 1. Other facilities include picnic tables and a boat ramp for private launches.