The Magalloway River is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in northwestern 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...

 and northern New Hampshire

New Hampshire

New Hampshire is a state in the New England region of the northeastern United States of America. The state was named after the southern English county of Hampshire. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Atlantic Ocean to the east, and the Canadian...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It is a tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the Androscoggin River

Androscoggin River

The Androscoggin River is a river in the U.S. states of Maine and New Hampshire, in northern New England. It is long and joins the Kennebec River at Merrymeeting Bay in Maine before its water empties into the Gulf of Maine on the Atlantic Ocean. Its drainage basin is in area...

, which flows to 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...

 at Merrymeeting Bay

Merrymeeting Bay

Merrymeeting Bay is a large freshwater tidal bay in Sagadahoc, Lincoln, and Cumberland counties, in the U.S. state of Maine. Merrymeeting Bay's unusual geography defies common landform terms. It is not what is usually meant by the word bay. It is somewhat like an estuary except for being fresh...

 in Maine, near the Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

. The total length of the river is 30 miles (48.3 km), or 48 miles (77.2 km) if the distances across intervening lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

s are included.

The Magalloway River rises near the extreme northwestern corner of Maine, at the juncture of the West Branch

West Branch Magalloway River

The West Branch of the Magalloway River is a river in northernmost New Hampshire and northwestern Maine in the United States. It is a tributary of the Magalloway River, located in the Androscoggin River watershed of Maine and New Hampshire....

 and the Second East Branch of the Magalloway. The river flows south through logging

Logging

Logging is the cutting, skidding, on-site processing, and loading of trees or logs onto trucks.In forestry, the term logging is sometimes used in a narrow sense concerning the logistics of moving wood from the stump to somewhere outside the forest, usually a sawmill or a lumber yard...

 country to 2.5 miles (4 km)-long Parmachenee Lake, then descends for another 2.6 miles (4.2 km) to the 15 miles (24.1 km)-long Aziscohos Lake. Below the lake dam, the Magalloway turns west and descends 250 feet (76.2 m) in 2 miles (3.2 km) to the village of Wilsons Mills, Maine, before once again turning south, now along the New Hampshire-Maine border. The river ends where it joins the outlet of Umbagog Lake, forming the Androscoggin River

Androscoggin River

The Androscoggin River is a river in the U.S. states of Maine and New Hampshire, in northern New England. It is long and joins the Kennebec River at Merrymeeting Bay in Maine before its water empties into the Gulf of Maine on the Atlantic Ocean. Its drainage basin is in area...

.

Tributaries of the Magalloway include the West Branch, the Second East Branch, the First East Branch, the Little Magalloway River

Little Magalloway River

The Little Magalloway River is a river in northwestern Maine in the United States. It is a tributary of the Magalloway River, located in the Androscoggin River watershed of Maine and New Hampshire....

, and the Dead Diamond River

Dead Diamond River

The Dead Diamond River is an 18.7 mile long river in northern New Hampshire in the United States. Its water enters the Atlantic Ocean on the coast of Maine by passing through the Magalloway, Androscoggin, and Kennebec rivers....

. The Magalloway passes through the townships

Township (United States)

A township in the United States is a small geographic area. Townships range in size from 6 to 54 square miles , with being the norm.The term is used in three ways....

 of Parmachenee, Lynchtown, Parkertown, Lincoln, and Magalloway Plantation in Maine, and the townships of Second College Grant

Second College Grant, New Hampshire

Second College Grant is a township located in Coos County, New Hampshire, United States. The area of this township is owned and controlled by Dartmouth College. As of the 2010 census, the grant had a total population of 0....

 and Wentworth's Location

Wentworth's Location, New Hampshire

Wentworth's Location is a township in Coos County, New Hampshire, United States. The population was 33 at the 2010 census. It is part of the Berlin, NH–VT Micropolitan Statistical Area....

in New Hampshire.