The Sheepscot River is a 66-mile-long (106 km) river in the U.S. state of Maine. Its lower portion is a complex island estuary with connections to the Kennebec River downstream of Merrymeeting Bay.

Alna is a town in Lincoln County, Maine, United States. The population was 710 at the 2020 census. Alna is home to the Wiscasset, Waterville and Farmington Railway Museum and is noted for its historic architecture, including the early mill village of Head Tide.