The Batiscan River is located in La Mauricie administrative region, in the Quebec province, Canada. This river flows 196 kilometres (122 mi) from Lake Édouard in Mauricie south and west to empty into the St. Lawrence River at Batiscan, Quebec, northeast of Trois-Rivières, Quebec. It passes through the regional county municipalities (RCM) (MRC in French) of La Tuque, Portneuf, Mékinac and Les Chenaux.