Hemlock Overlook Regional Park 13220 Yates Ford Rd Clifton, VA 20124 Phone : (703) 993-2059 Business Category Parks & Playgrounds Amusement & Recreation Northern Virginia Regional Park Authority--regional Parks, Hemlock Overlook Regional Park 13220 Yates Ford Rd Fairfax, VA 22030 Phone : (703) 993-2059 Northern Virginia Regional Park Authority--regional Parks, Hemlock Overlook Regional Park Business Category Government Offices & Public Schools