Washington & Old Dominion Trail (W&OD)
Dog rule: Official NOVA Parks trail guidelines: keep pets on a short leash and under control at all times, best place for pets is on the right shoulder of the trail, next to their owner. 45-mile trail from Shirlington to Purcellville, also running through Arlington and Fairfax. Hours 5 a.m. to 9 p.m. daily. A revised W&OD park regulation covering pets is scheduled for NOVA Parks Board consideration on Nov. 19, 2026, recheck after that meeting.
Venue confirmed Checked Nov 10, 2026. Source