Dyke Marsh Wildlife Preserve

Park · Alexandria, Fairfax County
Belle Haven Park, Mount Vernon Trail, Alexandria, VA 22307

Dog rule: No park-specific pet rule on the page. GWMP-wide rule applies: pets leashed at all times on a leash no more than 6 ft, not in historic homes, visitor centers or ranger programs. Haul Road Trail is 0.75 mi, flat, pea gravel and boardwalk. Bicycles not allowed on Haul Road Trail.

Venue confirmed Checked Nov 10, 2026. Source

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All places in Fairfax County · Dog-friendly parks in Fairfax County · Places map

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