Grafton Notch is a notch, or

mountain pass A mountain pass is a navigable route through a mountain range or over a ridge. Since mountain ranges can present formidable barriers to travel, passes have played a key role in trade, war, and both Human migration, human and animal migration t ...

, located 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 notch demarks the northeastern end of the Mahoosuc Range, and thus of the White Mountains.

Maine State Route 26 State Route 26 (abbreviated SR 26) is part of Maine's system of numbered state highways. It is a major interregional route running for from downtown Portland northwest to the New Hampshire border near Upton, where it connects to New H ...

passes through the notch. North of the

drainage divide A drainage divide, water divide, ridgeline, watershed, water parting or height of land is elevated terrain that separates neighboring drainage basins. On rugged land, the divide lies along topographical ridges, and may be in the form of a single ...

, the notch drains into the Swift Cambridge River, then into the Dead Cambridge 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 thence 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 ...

. To the south, the notch drains into the Bear River, then into the Androscoggin. Maine's Grafton Notch State Park includes the land along the bottom of the notch, and extends as far south as the summit of Old Speck Mountain on the southwest side of the notch. On the northeast side, it includes the lowest slopes of Baldpate Mountain. The

Appalachian Trail The Appalachian Trail, also called the A.T., is a hiking trail in the Eastern United States, extending almost between Springer Mountain in Georgia and Mount Katahdin in Maine, and passing through 14 states.Gailey, Chris (2006)"Appalachian Tra ...

, a

National Scenic Trail The National Trails System is a series of trails in the United States designated "to promote the preservation of, public access to, travel within, and enjoyment and appreciation of the open-air, outdoor areas and historic resources of the Nati ...

from

Georgia Georgia most commonly refers to: * Georgia (country), a country in the South Caucasus * Georgia (U.S. state), a state in the southeastern United States Georgia may also refer to: People and fictional characters * Georgia (name), a list of pe ...

, crosses the notch between Old Speck and Baldpate.

References

Mountain passes of Maine Appalachian Trail Landforms of Oxford County, Maine {{Maine-geo-stub