Rock Dam Falls is a waterfall on Connecticut River in Franklin County, Massachusetts, in the Northeastern Coastal Zone region. It lies about 1.2 miles northeast of Greenfield and roughly 28.5 miles north of North Chicopee as the crow flies.
Its height has not been recorded in the source data. By form it is a block waterfall, wider than it is tall, spilling over a broad ledge.
The Northeastern Coastal Zone is a rolling, glaciated lowland of oak-pine forest, stony soils and dense settlement from Boston to Long Island Sound. Waterfalls are small, often on former mill streams over granite ledges.
Franklin County holds 6 recorded waterfalls, and several are close by. Turners Falls, a dam waterfall, is about 1.7 miles away. Cascades, The, a 50-foot cascade waterfall, is about 2.2 miles away. Sluice Brook Falls, a 50-foot tiered waterfall, is about 6.7 miles away.
Rock Dam Falls is located at 42.5958° N, 72.5787° 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.