Head south on Seaman Avenue and enter Fort Tryon Park at Riverside Drive.  Make a hairpin turn and climb the hill.  Climb some more, pass by the heather gardens and exit the park at the circle.  Descend on Cabrini Street to 181st Street and cross the catwalk to the Greenway. Follow the path north to the end and go down the stairs to Riverside Drive.  Return home by way of Payson Avenue.

Head east on Isham Street toward 10th Avenue.  Run south along 10th until you pick up the east side pathway at the Harlem River Drive.  Follow the path as far as you can and head up the ramp to 155th Street.  Cross town to the Henry Hudson Greenway and go north to the end of the path.  Go downstairs to Riverside Drive then left on Payson home.