Great Falls Park (Virginia)
Park · McLean, Fairfax County
9200 Old Dominion Drive, McLean, VA 22102
Dog rule: Leashed pets welcome on all park trails, parking lots, falls overlooks and picnic areas, 6 ft leash required at all times (no shock-collar substitute), no off-leash areas. Pets not allowed in the visitor center, restrooms or ranger programs. Pets are prohibited from entering the Potomac River from park lands. BARK Ranger park.
NPS BARK Ranger parkBARK stands for Bag your pet's waste, Always leash your pet, Respect wildlife, and Know where you can go. Some parks give pups a BARK Ranger tag or badge only if that park or NPS says so.
Venue confirmed Checked Nov 10, 2026. Source
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What is a BARK Ranger?
BARK stands for Bag your pet's waste, Always leash your pet, Respect wildlife, and Know where you can go. These are the National Park Service principles for visiting a park with a pet.
Some parks give visiting pups a BARK Ranger tag or badge after you take that park's pledge, but only when the park or NPS says the program includes one. Read more on the NPS BARK Ranger page.