Ayers Falls is a stretch of rapids on Penobscot River in Penobscot County, Maine, in the Acadian Plains and Hills region. It lies about 0.5 miles southeast of Orono and roughly 115.4 miles northeast of Portland as the crow flies.
The Acadian Plains and Hills of Maine are rolling, glaciated forest of spruce, fir and northern hardwoods with countless lakes, bogs and rivers. Rivers drop over granite and slate ledges in falls and rips. Penobscot River carries 2 recorded rapids, and Ayers Falls is the tallest of them.
There are 20 recorded rapids in Penobscot County. Rocky Rips, is about 20.4 miles away. White Horse Rips, is about 24 miles away. Ellsworth Falls, is about 24.1 miles away.
Ayers Falls is located at 44.8773° N, 68.6651° 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 rapid yet.