The Weskeag River is a short tidal river in Knox County, Maine. The Abenaki Indians called it Wessaweskeag, meaning "tidal creek" or "salt creek". From its source () in South Thomaston, the river runs northeast and southeast to its confluence with Marsh Creek, then southeast through its estuary to the Muscle Ridge Channel of West Penobscot Bay.U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed June 22, 2011 Its mouth is on the border between the towns of South Thomaston and Owls Head.

See also List of rivers of Maine

References

Maine Streamflow Data from the USGS Maine Watershed Data From Environmental Protection Agency