According to the
United States Census Bureau, Preston Township has a total area of 51.546 sq mi (133.51 km2), of which 49.419 sq mi (128.00 km2) is land and 2.127 sq mi (5.510 km2), or 4.126%, is water. The township and surrounding area has been called "the
highlands of Wayne [County]" because it is especially mountainous. About half of the highest
peak in the county,
Mount Ararat (historically called Ararat Mountain, Ararat Peak, Ararat Summit, or simply "Ararat" (formerly called Sugar Loaf Peak (or Summit Lake) and Lake Lorain (or Five Mile Pond) in the village of
Poyntelle and Independent Lake (formerly known as Independence Pond and sometimes known today as Lake Independence or Lake Independent) in Poyntelle and Orson are three of the four sources of the East Branch of the Lackawanna (the fourth being Dunn Pond, or Dunns Lake, in the village of
East Ararat in
Ararat Township in
Susquehanna County), while the
West Branch of the Lackawaxen rises from a confluence of several small, unnamed streams in Orson and Poyntelle. ==Communities==