5 mi, slow pace. From Penn Station walk west to the north end of the High Line, walk south on the High Line, then southwest on Gansevoort St. to reach the Hudson River shore path, to end at either the Atrium of the World Financial Center (good place for lunch), Battery Park, or Bowling Green Park. Bring lunch; food can be bought, but doing so is expensive and time consuming. No go in rain, snow, or if excessively cold and windy; call if weather doubtful.