 A second segment of linear park is called Dellwood Park, and around Clifton Road it finally leaves the city, just before passing the south side of the Fernbank Museum of Natural History.A third segment called North Ponce de Leon Avenue surrounds a heavily forested county park called Deepdene Park, and on its south side, mainline Ponce de Leon Avenue loses U.S. 278 and Georgia 10 at a split with East Lake Road.After a northward curve, it loses its other four route numbers at a split with Scott Boulevard, and continues eastward into the city of Decatur as West Ponce de Leon Avenue.