Most are mills from the late 1700's to the late 1800's. The trail is built on the old railroad bed from Penn Yan to Dresden. This trail is suitable for hiking or bicycling. The Finger Lakes Trail is a trail originally cut by the Iroquois before the Mayflower landed. This trail is about 550 miles long and goes from one side of the Finger Lakes to the other.
Sections are fairly easily walkable although alot of the terrain is very rugged.
Not recommended on a bicycle. Letchworth Park is a beautiful spot for hiking, camping, picnics and swimming. Letchworth Park has been called the Grand Canyon of the east. It has a beautiful vertical side gorge that cuts straight through the center of the park. Come and read a good poem .