The Causapscal River (/koʊzɑːpskæl/) is a waterway of 61.0 kilometres (37.9 mi) located in the Matapedia Valley, in La Matapédia Regional County Municipality, in administrative regions of Bas-Saint-Laurent and Gaspésie-Îles-de-la-Madeleine, in Quebec, Canada. It is a tributary to the Matapedia River; where these two meet is called Les Fourches stream pool. The Causapscal River flows through the following townships successively: This river of the Matapédia Valley empties into the east bank of the Matapédia River, in the city of Causapscal, at the level of "Les Fourches" salmon pool.