Sunday River is a 14.1 miles (22.7 km) 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 Oxford County

Oxford County, Maine

Oxford County is a county located in the U.S. state of Maine with a population of 57,833 as of the 2010 U.S. census. Its county seat is Paris.Part of Oxford County is included in the Lewiston-Auburn, Maine, metropolitan New England City and Town Area while a different part of Oxford County is...

, 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...

 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 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 east and south to join 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 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...

 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...

.

Sunday River flows from headwaters near Mount Carlo in the Mahoosuc Range. The river flows east, collecting the waters of tributaries including the South Branch Sunday River, Bull Branch, Miles Notch Brook, Goose Eye Brook, Jordan Brook, Merrill Brook, Simons Brook, and others. Most of these tributaries flow southeast from the Mahoosucs. A few flow north from Bear Mountain. The Sunday River joins the Androscoggin River a few miles north of the village of Bethel

Bethel, Maine

Bethel is a town in Oxford County, Maine, United States. The population was 2,411 at the 2000 census. It includes the villages of West Bethel and South Bethel...

.

The lower 7 miles (11 km) of Sunday River is known for canoeing. The river is rocky and swift, and contains class II-III rapids.

Near the confluence of the Sunday River and the Androscoggin River is the Sunday River Ski Resort

Sunday River (ski resort)

Sunday River is a ski resort located in Newry, Maine, in the United States. It is one of Maine's largest and most visited ski resorts. Its vertical drop of is the second largest in Maine and the sixth largest in New England...

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