Bear Swamp features 15 miles of hiking trails near Cortland, NY.
Go north out of Cortland on 281. Turn left on to 41, go a few miles, turn left on to 41A. Go just past Semproneous and turn into the Colonial Lodge (good eats). Park and ride. There is a map of the trails, might be able to get it at the Lodge.
http://www.tripleblaze.com/trail.php?c=3&i=161