Old Mill Falls is a waterfall on Plattekill Creek in Greene County, New York, in the Northeastern Highlands region, with a total height of about 16 feet. It lies about 4.4 miles southwest of Palenville and roughly 39.6 miles southwest of Albany as the crow flies.
At 16 feet it is on the modest side for New York, where the typical waterfall with a recorded height stands around 50.5 feet; it ranks 161st of 184. The tallest single drop is 12 feet. The water comes down as a segmented waterfall, splitting into two or more separate streams as it falls, combined with a plunge character.
The Northeastern Highlands are the mountains of northern New England and the Adirondacks, with spruce-fir on the summits and northern hardwood forest of maple, beech and birch below, and countless lakes and boulder-strewn brooks. Fast mountain streams drop over granite and gneiss ledges in chains of falls and pools. Plattekill Creek carries 7 recorded waterfalls; the biggest of them reaches 51 feet.
There are 55 recorded waterfalls in Greene County. Plattekill Falls, a 51-foot plunge waterfall, is under a mile away. Bridal Veil Falls, is under a mile away. Hell’s Hole Falls, a 30-foot tiered plunge waterfall, is under a mile away.
Old Mill Falls is located at 42.1330° N, 74.0860° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The creek name is confirmed against the federal Geographic Names Information System. The position was verified on aerial imagery. Details on trails, parking and access have not been documented for this waterfall yet.