2601 South Arlington Mill Drive This area is located along the bicycle path behind a storage facility along South Four Mile Run between Shirlington Rd. and South Walter Reed Dr. It is close to but not in Jennie Dean Park. Heading east on Four Mile Run take a right on Nelson. Heading west take a left. Go straight and park behind the storage facility. The area is between the facility and the water. There is no signage indicating its location. NOTE: Personal safety issues at this site.