John Heinz Wildlife Preserve features 10 miles of hiking trails near Philadelphia, PA.
From I -95 to Island Avenue travel away from airport (northwesterly) to Lindbergh Blvd. (go left) take to end. Cross 84th St/Hook Rd. John Heinz wildlife refuge on right.
http://www.tripleblaze.com/trail.php?c=3&i=1952