Lubber Run Park 
N. Columbus & 2nd St. N
Arlington, VA 22203
703-228-PLAY
http://parks.arlingtonva.us/locations/lubber-run-park/
Park: Hike, Picnic, Playground, Walk
This park has loads of fun things to enjoy! Shoot hoops on the basketball court or practice your serve over the volleyball net, have a meal outdoors under the picnic shelter, use the charcoal grills, relax under the gazebo, check out a show at the amphitheater, or use the paved path and nature trail! There are also public restrooms and Drinking Fountain available, and a playground. Find out if your dog should play in the stream by visiting the website.