The Moose River is an 83 miles (133.6 km) river in Maine

Maine

Maine is a state in the New England region of the northeastern United States, bordered by the Atlantic Ocean to the east and south, New Hampshire to the west, and the Canadian provinces of Quebec to the northwest and New Brunswick to the northeast. Maine is both the northernmost and easternmost...

. Its source (45.5400°N 70.6961 °W) is in Beattie (Maine Township 2, Range 8, WBKP), on the Canada – United States border, which runs along the height of land between the watersheds

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

 of the Kennebec River

Kennebec River

The Kennebec River is a river that is entirely within the U.S. state of Maine. It rises in Moosehead Lake in west-central Maine. The East and West Outlets join at Indian Pond and the river then flows southward...

 in Maine and the Chaudière River

Chaudière River

The Chaudière River is a long river with its source near the Town of Lac-Mégantic, in southeast Quebec, Canada. From its source Lake Megantic in the Chaudière-Appalaches region, it runs northwards to flow into the St. Lawrence River opposite Quebec City...

 in Quebec

Quebec

Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

. From there, the river runs east through Attean Pond and Wood Pond, past the town of Moose River

Moose River, Maine

Moose River is a town in Somerset County, Maine, United States. The population was 219 at the 2000 census. It was first settled by Capt. Samuel Holden who in 1820 opened an inn as a stop for cattle drivers en route from Boston to Quebec.-Geography:...

, then through Long Pond and Brassua Lake. The Moose River empties into Moosehead Lake

Moosehead Lake

Moosehead Lake is the largest lake in the U.S. state of Maine and the largest mountain lake in the eastern United States. Situated in the Longfellow Mountains in the Maine Highlands Region, the lake is the source of the Kennebec River. Towns that border the lake include Greenville to the south and...

, the source of the Kennebec River

Kennebec River

The Kennebec River is a river that is entirely within the U.S. state of Maine. It rises in Moosehead Lake in west-central Maine. The East and West Outlets join at Indian Pond and the river then flows southward...

, in Rockwood Strip (T1, R1, WBKP).