It flows in the municipalities of Saint-Elzéar and Sainte-Marie-de-Beauce, in the La Nouvelle-Beauce Regional County Municipality, in the administrative region of Chaudière-Appalaches, in Quebec, in Canada.

The main neighboring watersheds of the Savoie river are: The Savoie river has its source in the Haut-Saint-Olivier range, in the municipality of Saint-Elzéar, on the north slope of Mont du Cosmos.

This head zone is located 2.0 kilometres (1.2 mi) southwest of the center of the village of Saint-Elzéar, at 5.5 kilometres (3.4 mi) west of the Chaudière River and 3.8 kilometres (2.4 mi) north of the summit of Mont Saint-André.

This confluence is located 4.9 kilometres (3.0 mi) downstream from the confluence of the Nadeau River and Lessard River, as well as at 2.6 kilometres (1.6 mi) upstream of the Sainte-Marie-de-Beauce bridge.

The toponym Rivière Savoie was formalized on October 6, 1983, at the Commission de toponymie du Québec.