Address: 4710 Mount Vernon Memorial Hwy, Alexandria, VA 22309
Website: https://www.fairfaxcounty.gov/parks/offleash
Grist Mill Dog Park in Alexandria, Virginia is a large, fenced area with big trees that give lots of shade. The park has fun things like kiddie pools, water stations, benches, and picnic tables. There are also poop bag stations and tennis balls for dogs to play with. Some people like the grassy spots, while others mention the gravel paths. This park is popular and has a friendly community feel, even though it can be hard to find with GPS.