The Cupsuptic River is a 23.7 miles (38.1 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...

. It flows from its source (45.2362°N 70.8978 °W) near the Canada – United States border to Cupsuptic Lake, the northern arm of Mooselookmeguntic Lake

Mooselookmeguntic Lake

Mooselookmeguntic Lake is located in Franklin County and Oxford County, Maine, in the United States. It is part of the Androscoggin River watershed....

, which drains via other lakes into 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...

. Although short, the Cupsuptic River includes three of the highest mountains of New England

New England

New England is a region in the northeastern corner of the United States consisting of the six states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, and Connecticut...

 — Kennebago Divide

Kennebago Divide

Kennebago Divide is a mountain located in Maine's Franklin and Oxford counties. It is also known as North Peak of Kennebago Divide.Its highest peak is in Franklin County, about southeast of the Canada–United States border with Québec....

, Snow Mountain

Snow Mountain (Oxford County, Maine)

Snow Mountain is a mountain located in Oxford County, Maine, about four miles south of the Canada–United States border with Québec.The mountain is sometimes called "Cupsuptic Snow", to distinguish it from another "Snow Mountain" about ten miles to the northeast.Snow Mountain is flanked to the...

, and White Cap Mountain

White Cap Mountain (Franklin County, Maine)

White Cap Mountain is a mountain located in Franklin County, Maine, about one mile east of the United States-Canada border with Québec.White Cap Mtn...

 — within its watershed

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...

. The name "Cupsuptic" derives from the Abenaki language, meaning "a closed-up stream."