Big Black River
CountriesCanada and the United States
Province and stateQuebec and Maine
Quebec and Maine administrative regionChaudière-Appalaches and North Maine Woods
Physical characteristics
 • locationSainte-Lucie-de-Beauregard, Quebec, L'Islet Regional County Municipality, Chaudière-Appalaches, Quebec, Canada
 • coordinates46°52′38″N 70°10′06″W / 46.87722°N 70.16833°W / 46.87722; -70.16833
 • elevation380 metres (1,250 ft)
 • location
Township T15 R13 WELS, Aroostook County, Maine,  United States
 • coordinates
46°56′59″N 69°26′55″W / 46.94972°N 69.44861°W / 46.94972; -69.44861
 • elevation
231 metres (758 ft)
Length77.9 kilometres (48.4 mi)
 • locationSaint John River (Bay of Fundy)
Basin features
 • left(from the mouth) in Maine: Twomile brook, Fivemile brook, Shields Branch, discharge of Charles Pond, St Amants Brook, Good Brook; in Quebec:rivière à la Truite (Grande rivière Noire), rivière Grand Calder, rivière Ratsoul, ruisseau de la Fromagerie, rivière Buckley, rivière Rocheuse.
 • right(from the mouth) in Maine: Conners brook, Depot stream; in Quebec: ruisseau Mort, Grande rivière Noire Est

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 / 46.87722°N 70.16833°W / 46.87722; -70.16833 (Grande Rivière Noire source)), 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.

The "Big Black River" flows in:

Maine's all-time lowest officially verified temperature of −50 °F (−46 °C) was recorded at a weather station along the Big Black River on January 16, 2009. The previous record was −48 °F (−44 °C), set at Van Buren, on January 19, 1925.


The "Big Black River" is rooted in the Talon Township in the municipality of Sainte-Lucie-de-Beauregard, Quebec, in Notre Dame Mountains. This source is located at:

From its source, the "Big Black River" flows on 77.9 kilometres (48.4 mi) of which 32.9 kilometres (20.4 mi) in Quebec and 45.0 kilometres (28.0 mi) in Maine, according to the following segments:

Upper course of the Big Black River (segment of 12.2 kilometres (7.6 mi) in Quebec)

Intermediate Course of the Great Black River (segment 20.7 kilometres (12.9 mi) to Quebec, downstream of the Grand Black River East)

Lower course of the Great Black River (segment of 45.0 kilometres (28.0 mi) to Maine downstream of the Canada-US border)

From the Canada-US border, the "Big Black River" flows entirely in forest and mountainous areas of:

Big Black River empties into a river bend on the West bank of the Saint John River (Bay of Fundy) in the Township T15 R13 WELS. This confluence is located:

From the confluence of the "Big Black River", the Saint John River (Bay of Fundy) flows to the East and Northeast through the Maine, then East and Southeast crossing the New Brunswick. Finally, the current empties on the North bank of the Bay of Fundy which opens to the Southwest on the Atlantic Ocean.


The toponym "Grande rivière Noire" (Big Black River) was officialized as of December 5, 1968, at Commission de toponymie du Québec (Quebec Place Names Board).[2]

See also


  1. ^ Segments of the river measured from the Atlas of Canada (posted), Ministry of Natural Resources Canada
  2. ^ Commission de toponymie du Québec – Banque de noms de lieux (Bank of Place Names) – Toponym: « Grande rivière Noire » (English: Big Black River)