Grand Falls is a waterfall on West Branch Penobscot River in Penobscot County, Maine, in the Acadian Plains and Hills region, with a total height of about 18 feet. It lies about 3.2 miles south of Millinocket as the crow flies.
At 18 feet it is on the modest side for Maine, where the typical waterfall with a recorded height stands around 29 feet; it ranks 54th of 80.
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. West Branch Penobscot River carries 8 recorded waterfalls, and Grand Falls is the tallest of them.
There are 15 recorded waterfalls in Penobscot County. Ambajejus Falls, is about 12.9 miles away. Passamagamet Falls, is about 14.6 miles away. Upper Passamagamet Falls, a segmented waterfall, is about 15 miles away.
Grand Falls is located at 45.6108° N, 68.7006° 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.