Address: &, Alpine Drive, Pinecrest Pkwy, Annandale, VA 22003
Mason District Off-Leash Dog Park in Annandale, VA is a large park with gravel ground. It has some shade and basic features like benches and picnic tables. Many friendly people and responsible dog owners visit the park and help keep it clean. Dogs have plenty of space to run and play. However, visitors should bring their own water because there are no water fountains.