Harford County--parks & Recreation, Eden Mill Nature Center & Park Bel Air, MD 21014 Phone : (410) 836-3050 Business Category Government Offices-County General Government Government Offices & Public Schools Eden Mill Nature Center 1617 Eden Mill Rd Pylesville, MD 21132 Phone : (410) 836-3050 Eden Mill Nature Center Business Category Government Offices-County Special Trade Contractors Legislative Bodies General Government Government Offices & Public Schools