The rivière des Saults (in English: Saults river) is a tributary on the south bank of the Nicolet Southwest River. It empties into the municipality of Saint-Cyrille-de-Wendover, Notre-Dame-du-Bon-Conseil and Sainte-Brigitte-des-Saults, in the Drummond Regional County Municipality (MRC), in the administrative region of Centre-du-Québec, in Quebec, in Canada.

Except for the first 2.6 kilometres (1.6 mi) and near the mouth (village), the course of the river pass mainly in agricultural zone.

The "rivière des Saults" has its source at the confluence of the north and south branches, in the Eastern part of the territory of the municipality of Saint-Cyrille-de-Wendover. This source is located at 2.0 kilometres (1.2 mi) north of Domaine-Despins of Saint-Lucien, at 6.1 kilometres (3.8 mi) east of the village center of Saint-Cyrille-de-Wendover and at 7.3 kilometres (4.5 mi) west of the Domaine-Lampron (on the eastern shore on an elbow of Nicolet Southwest River).

From its source (confluence of two brooks), the "rivière des Saults" flows on 24.1 kilometres (15.0 mi), with a drop of 55 metres (180 ft), according to these segments:

• 11.7 kilometres (7.3 mi) toward northwest in agricultural zone of Saint-Cyrille-de-Wendover, crossing the route 255, then curving to the west, passing under the bridge of the railway, crossing the route 122, up to autoroute 20;
• 12.4 kilometres (7.7 mi) northwesterly passing about 0.3 kilometres (0.19 mi) in the western part of municipality of Notre-Dame-du-Bon-Conseil, then entering in Sainte-Brigitte-des-Saults, up to its mouth.

The "rivière des Saults" empties on the south bank (in a river elbows) of the Nicolet Southwest River, in the village of Sainte-Brigitte-des-Saults.

The toponym "rivière des Saults" was formalized on December 5, 1968, at the Commission de toponymie du Québec.

• List of rivers of Quebec