Allagash may refer to: Allagash River, a tributary of the St. John River Allagash, Maine, a town in Maine named after the river Allagash Brewing Company, a brewery in Portland, Maine Allagash Lake, original source of the Allagash River, diverted to Penobscot River by Telos Cut Allagash Wilderness Waterway, a state wilderness area in Maine Blood and Money, a film with working title Allagash