Pyrites Falls is a waterfall on Grass River in St. Lawrence County, New York, in the Eastern Great Lakes Lowlands region. It lies about 5.6 miles south of Canton and roughly 97.8 miles north of Utica as the crow flies.
Its height has not been recorded in the source data. By form it is a dam-created falls, where a man-made structure creates the drop.
The Eastern Great Lakes Lowlands are a rolling plain of farmland and mixed forest south of Lake Ontario and Lake Erie. Creeks cut gorges through layered limestone and shale, dropping over ledges in waterfalls, most famously along the Niagara Escarpment. Grass River carries 5 recorded waterfalls along its course.
St. Lawrence County holds 58 recorded waterfalls, and several are close by. Lower Pyrites Falls, is under a mile away. Harts Falls, is about 1.3 miles away. Jacksons Falls, is about 1.7 miles away.
Pyrites Falls is located at 44.5157° N, 75.1883° 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.