Fourth Connecticut Lake Falls is a waterfall on Connecticut River in Coos County, New Hampshire, in the Northeastern Highlands region. It lies about 27.9 miles northeast of Colebrook and roughly 119.4 miles northwest of Portland as the crow flies.
Its height has not been recorded in the source data. By form it is 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. Connecticut River carries 5 recorded waterfalls along its course.
Coos County holds 79 recorded waterfalls, and several are close by. Moose Falls, a tiered waterfall, is about 4 miles away. Second Connecticut Lake Falls, a dam waterfall, is about 7.4 miles away. Round Pond Falls, a block waterfall, is about 8.6 miles away.
Fourth Connecticut Lake Falls is located at 45.2453° N, 71.2138° 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.