Mason Mill Park is part of broad natural area winding through parks and neighborhoods in Atlanta’s eastern suburbs between Clairemont and North Druid Hills Roads, and Medlock Park, more or less defined by the intersecting stream corridors of South Peachtree and Burnt Fork Creeks. You may have walked, or biked, on a popular new paved path and boardwalk here, but today we’ll take the path less traveled, and walk footpaths along Burnt Fork Creek. The recovering forest in this area…