Big Niagara Falls is a waterfall on Nesowadnehunk Stream in Piscataquis County, Maine, in the Northeastern Highlands region, with a total height of about 18 feet. It lies about 21.5 miles northwest of Millinocket as the crow flies.
At 18 feet it is on the modest side for Maine, where the typical waterfall with a recorded height stands around 29 feet; it ranks 54th of 80. The water comes down as a block waterfall, wider than it is tall, spilling over a broad ledge.
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. Nesowadnehunk Stream carries 5 recorded waterfalls, and Big Niagara Falls is the tallest of them.
There are 50 recorded waterfalls in Piscataquis County. Windy Pitch, is under a mile away. Little Niagara Falls, a 12-foot cascade waterfall, is under a mile away. Indian Pitch, is under a mile away.
Big Niagara Falls is located at 45.8693° N, 69.0375° 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.