Crystal Falls is a 55-foot waterfall on Phillips Brook in Coos County, New Hampshire, in the Northeastern Highlands region. It lies about 7.8 miles northwest of Milan and roughly 85.1 miles northwest of Portland as the crow flies.
At 55 feet it is taller than the typical New Hampshire waterfall of about 30 feet, ranking 40th of 115 with a recorded height. The tallest single drop is 25 feet. By form it is a tiered waterfall, falling in several distinct steps one after another. It falls in 4 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.
Coos County holds 79 recorded waterfalls, and several are close by. Pond Brook Falls, a 107-foot tiered waterfall, is about 7.7 miles away. Alpine Cascades, a 280-foot tiered waterfall, is about 14 miles away. Peboamauk Fall, a 60-foot tiered waterfall, is about 14.5 miles away.
Crystal Falls is located at 44.6210° N, 71.3295° 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.