Proteus Falls is a 25-foot waterfall on Townline Brook in Coos County, New Hampshire, in the Northeastern Highlands region. It lies about 4.1 miles southwest of Gorham and roughly 68.9 miles northwest of Portland as the crow flies.
At 25 feet it is on the modest side for New Hampshire, where the typical waterfall with a recorded height stands around 30 feet; it ranks 67th of 115. The tallest single drop is 15 feet. By form it is a tiered waterfall, falling in several distinct steps one after another. It falls in 2 drops.
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. Townline Brook carries 3 recorded waterfalls, and Proteus Falls is the tallest of them.
Coos County holds 79 recorded waterfalls, and several are close by. Erebus Falls, a 25-foot plunge waterfall, is under a mile away. Evans Falls, a 7-foot fan waterfall, is under a mile away. Bumpus Brook Falls, a tiered waterfall, is about 1 miles away.
Proteus Falls is located at 44.3588° N, 71.2456° 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.