Lower Purgatory Falls is one of the recorded waterfalls on Purgatory Brook in Hillsborough County, New Hampshire, in the Northeastern Coastal Zone region. It lies about 2.1 miles northeast of Wilton and roughly 13.5 miles northwest of Nashua as the crow flies.
No height measurement has been recorded for it yet. The water comes down as a fan, spreading out horizontally as it falls and staying in contact with the rock.
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. Purgatory Brook carries 2 recorded waterfalls along its course.
There are 15 recorded waterfalls in Hillsborough County. Purgatory Falls, a 30-foot tiered waterfall, is about 2 miles away. Tucker Brook Falls, a tiered waterfall, is about 2.3 miles away. Horseshoe Falls, a cascade waterfall, is about 2.7 miles away.
Lower Purgatory Falls is located at 42.8596° N, 71.7001° 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.