Big Black River (Saint John River tributary)

The Big Black River (French: Grande Rivière Noire) is a river crossing the administrative region of Chaudière-Appalaches in Quebec and in Maine. From its source (46°52′38″N 70°10′6″W), in L'Islet RCM, Quebec, the river runs northeast and east across the Canada–United States border in Maine Township 14, Range 16, WELS, to the Saint John River in Northwest Aroostook T 15, R 13.