One of the largest state forests in the area, Shindagin Hollow State Forest comes in at a whopping 5, 318 acres of forested land located in the Southeast corner of Tompkins County. Purchased in 1956 by NYS from the federal government, in the years between 1935 and 1952 over 2 million trees were planted on the property, which today can be enjoyed by walking the 20 miles of trails that exist within the forest.