The Kennebec River originates at Moosehead Lake flowing 145 miles to Merrymeeting Bay where it joins the Androscoggin River, then to the Atlantic Ocean at Phippsburg and Georgetown. The upper Kennebec flows from Moosehead Lake about 4 miles before reaching Indian Pond, the first of many impoundments. Flowing out of Indian Pond through Harris Dam, a major hydroelectric station, its passes through the Kennebec gorge then runs south draining into Wyman Lake, and through Wyman Dam, another large hydroelectric impoundment. From there it passes through urban and industrial areas of Madison, Skowhegan, Waterville-Winslow, and, with the The Kennebec River is the third largest river in Maine consolidating the flows from many large lakes in north-central Maine, then flowing south through agricultural areas and small towns and cities of the central part of the state to merge with the Androscoggin River at Merrymeeting Bay. Biomonitoring Retrospective 79 Maine DEPLW1999-26 Dec. 1999 removal of the Edwards Dam in Augusta in July, 1999, the Kennebec head of tide now occurs between Augusta and Sidney. The river eventually empties into Merrymeeting Bay in Richmond. Six major tributaries enter the river: the Moose River is the major tributary of Moosehead Lake, Dead River, Sandy River, Sebasticook River, Messalonskee Stream and Cobbosseecontee Stream. The basin covers approximately 5,893 square miles with approximately 3,850 miles of rivers and streams.

State of Maine website, Kennebec River, accessed May 31, 2024, https://www.maine.gov/...