Tags: Mountain Pass.
Grafton Notch is a notch or mountain pass located in Oxford County Maine. The notch demarks the northeastern end the Mahoosuc Range and thus of the White Mountains. Maine State Route 26 passes through the notch.North of the height of land the notch drains into the Swift Cambridge River then into the Dead Cambridge River and Umbagog Lake the source of the Androscoggin River which drains into Merrymeeting Bay the estuary of the Kennebec River and thence into the Gulf of Maine.
