Old Mill Falls is a waterfall on Indian River in Jefferson County, New York, in the Eastern Great Lakes Lowlands region. It lies about 0.3 miles north of Philadelphia and roughly 71.1 miles north of Clay as the crow flies.
Its height has not been recorded in the source data.
The Eastern Great Lakes Lowlands are a rolling plain of farmland and mixed forest south of Lake Ontario and Lake Erie. Creeks cut gorges through layered limestone and shale, dropping over ledges in waterfalls, most famously along the Niagara Escarpment. Indian River carries 4 recorded waterfalls along its course.
Jefferson County holds 20 recorded waterfalls, and several are close by. Childs Falls, is about 1.6 miles away. Pleasant Creek Falls, is about 6.9 miles away. Natural Bridge Falls, is about 12.5 miles away.
Old Mill Falls is located at 44.1592° N, 75.7091° 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.