South Run District Park
Dog rule: Fairfax County Park Authority regulation 1.05: no animal may be in a park unless caged or on a leash and under the person's control, except dogs in designated off-leash dog areas. FCPA 'welcomes leashed dogs in all of its parks', the regulation sets no leash length. This park hosts an official fenced off-leash dog park (listed separately).
Venue confirmed Checked Nov 10, 2026. Source