Lampsons Falls is a waterfall on South Branch Grass River in St. Lawrence County, New York, in the Northeastern Highlands region, with a total height of about 60 feet. It lies about 14 miles south of Canton and roughly 90.5 miles north of Utica as the crow flies.
At 60 feet it is taller than the typical New York waterfall of about 50.5 feet, ranking 83rd of 184 with a recorded height.
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. South Branch Grass River carries 8 recorded waterfalls, and Lampsons Falls is the tallest of them.
There are 58 recorded waterfalls in St. Lawrence County. Harper Falls, 60 feet high, is about 2.1 miles away. Pelkys Falls, is about 3 miles away. Plumb Brook Falls, is about 3.9 miles away.
Lampsons Falls is located at 44.4053° N, 75.0715° 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.