Coosauk Fall is one of the recorded waterfalls on Bumpus Brook in Coos County, New Hampshire, in the Northeastern Highlands region. It lies about 5.1 miles west of Gorham and roughly 70 miles northwest of Portland as the crow flies.
No height measurement has been recorded for it yet. The water comes down as a cascade, descending over a series of rock steps rather than in a single drop.
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. Bumpus Brook carries 4 recorded waterfalls along its course.
There are 79 recorded waterfalls in Coos County. Stairs Falls, a 15-foot fan waterfall, is under a mile away. Hitchcock Fall, a 12-foot segmented waterfall, is under a mile away. Muscanigra Falls, is under a mile away.
Coosauk Fall is located at 44.3624° N, 71.2706° 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 exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.