The rivière Ferrée flows in the administrative region of Bas-Saint-Laurent, in the province of Quebec, in Canada, in the regional county municipalities of: The Ferrée river is a tributary of the southwest shore of the Lac des Eaux Mortes which is crossed by the Mistigougèche River; the latter flows to the southwest shore of the Mitis River, which flows northwest to the southeast coast of the St. Lawrence River where it flows at height of Sainte-Flavie and Grand-Métis.

The Ferrée river rises at Lac Ferré (length: 1.0 kilometre (0.62 mi); altitude: 397 metres (1,302 ft)), in the form of a hook, located in the northern part of the Rimouski Wildlife Reserve.

From its source, the Ferrée river flows over 7.0 kilometres (4.3 mi), divided into the following segments: The Ferrée river flows on the western shore of the Lac des Eaux Mortes, on the north side of the Baie de la Ferrée and opposite the confluence of the Source stream.

This confluence is located 2.3 kilometres (1.4 mi) southeast of the southeastern limit of the municipality Les Hauteurs, 4.5 kilometres (2.8 mi) upstream of the dam mouth of Lac des Eaux Mortes and 37.5 kilometres (23.3 mi) southeast of the southeast coast of the St. Lawrence River.

The river Ferrée toponym was formalized on December 5, 1968 at the Commission de toponymie du Québec.