The rivière aux Brochets is a tributary of the rivière du Milieu, flowing in the territory of the city of La Tuque and in the unorganized territory of Lac-Masketsi (MRC of Mékinac Regional County Municipality), in the administrative region of Mauricie, in the province of Quebec, in Canada.

The Rivière aux Brochets has its source at the mouth of Lac Traversy (length: 0.9 km (0.56 mi); altitude: 358 m (1,175 ft)); this body of water is located in the former unorganized territory of Petit-lac-Wayagamac, in the territory of La Tuque, at 5.2 km (3.2 mi) south-east of lake Wayagamac and 5.4 km (3.4 mi) southeast of the lake at Beauce.

This lake is part of the zec de la Bessonne.

From the mouth of Lac Traversy, the Rivière aux Brochets flows on 25.8 km (16.0 mi) in the following segments: The confluence of the Rivière aux Brochets flows onto the northwestern shore of the Rivière du Milieu, in the township of Carignan, almost at the limit of the township of Hackett.

This confluence is located at: The toponym Rivière aux Brochets was formalized on December 5, 1968, at the Place Names Bank of the Commission de toponymie du Québec.