This

mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher t ...

, which has no formal name, is located on the Canada–US border between boundary markers 445 and 446. It is the highest point on the border east of the

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...

. Specifically it is the highest point for of border from the Passamquoddy Bay up to 111 degrees west in

Liberty County, Montana Liberty County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 1,959. Its county seat is Chester. The decision to separate the future Liberty County area from the previous Hill and Chouteau counties ...

at border monument 360 (miles; ) from the Pacific. The southeast half is in Oxford County,

Maine Maine ( ) is a U.S. state, state in the New England region of the United States, and the northeasternmost state in the Contiguous United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and ...

; the northwest half is in

Le Granit Regional County Municipality Le Granit (, ) is a regional county municipality in the Estrie region of eastern Quebec, Canada. Located directly south of Quebec City, it borders the region of Chaudière-Appalaches, as well as the US states of New Hampshire New Hampshi ...

Quebec Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, ...

, Canada. The south and east sides of the mountain drain via streams into the Kennebago River, then into Cupsuptic Lake, through a series of lakes into the Rapid River and

Umbagog Lake Umbagog Lake is a wilderness lake located in Coös County, New Hampshire, and Oxford County, Maine. It is one of the most pristine lakes in the state of New Hampshire. It lies in the towns of Errol, New Hampshire, and Upton, Maine, as well as ...

, the source of the

Androscoggin River The Androscoggin River (Abenaki: ''Ammoscongon'') is a river in the U.S. states of Maine and New Hampshire, in northern New England. It is U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data''The National Map'', a ...

, which drains into Merrymeeting Bay, the

estuary An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime enviro ...

of the

Kennebec River The Kennebec River (Abenaki language, Abenaki: ''Kinəpékʷihtəkʷ'') is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed June 30, 2011 natural river within the U.S. state of Ma ...

, and then into the

Gulf of Maine The Gulf of Maine is a large gulf of the Atlantic Ocean on the east coast of North America. It is bounded by Cape Cod at the eastern tip of Massachusetts in the southwest and by Cape Sable Island at the southern tip of Nova Scotia in the northea ...

. The north and west sides of the mountain drain into Ruisseau Clearwater, then into the Rivière Arnold, and the Rivière aux Araignées, into

Lac Mégantic Lac may refer to: Places Africa * Lac Region, a district in Chad * Lac Prefecture, a district in Chad America * Rivière du Lac, a tributary of the Montmorency River, in Capitale-Nationale, Quebec, Canada Europe * Laç, a city in Albania * Lac ...

, then into the

Chaudière River The Chaudière River (; French for "Cauldron" or "Boiler"; Western Abenaki, Abenaki: Kik8ntekw) is a river with its source near the Lac-Mégantic, Quebec, Town of Lac-Mégantic, in southeast Quebec, Canada. From its source Lake Mégantic in the ...

, and

Saint Lawrence River The St. Lawrence River (, ) is a large international river in the middle latitudes of North America connecting the Great Lakes to the North Atlantic Ocean. Its waters flow in a northeasterly direction from Lake Ontario to the Gulf of St. Lawrenc ...

, which drains into the Gulf of St. Lawrence.

References

Mountains of Oxford County, Maine One-thousanders of Quebec Landforms of Estrie New England Hundred Highest Canada–United States border International mountains of North America Mountains of Maine {{Estrie-geo-stub

See also

References