The Black River flows on the South Shore of the Saint Lawrence River, in Quebec, Canada, passing through the municipalities of: MRC Memphrémagog Regional County Municipality in the administrative region of Estrie: MRC Le Val-Saint-François Regional County Municipality in the administrative region of Estrie: MRC of Acton Regional County Municipality in the administrative region of Montérégie MRC Les Maskoutains Regional County Municipality in the administrative region of Montérégie MRC of La Haute-Yamaska Regional County Municipality in the administrative region of Montérégie The main neighboring hydrographic slopes of the Black River are: The Black River begins in an area northeast of Waterloo Lake in the Municipality of Stukely-Sud.

Upper course of the river (segment of 22.5 kilometres (14.0 mi)) From a very small head lake located in Stukely-Sud, the Rivière Noire flows over: Course of the river downstream of Valcourt (segment of 24.6 kilometres (15.3 mi)) From route 222, passing through the village of Valcourt, the Rivière Noire flows over: Course of the river downstream of Roxton Falls (segment of 27.1 kilometres (16.8 mi)) From Roxton Falls, the river flows over: Course of the river downstream of the Père-Tarte dam (segment of 30.4 kilometres (18.9 mi)) From the Père-Tarte dam, the Rivière Noire flows over: The Black River empties at the "Pointe aux Fourches" on the east bank of the Yamaska River at Saint-Pie.

The mouth is located 6.7 kilometres (4.2 mi) upstream of the Douville Bridge, located southwest of Saint-Hyacinthe.

[1] The traditional Aboriginal toponymic variant is "Mkazawitekw River".

The toponym “Rivière Noire” was officially registered on December 5, 1968, at the Commission de toponymie du Québec.