It flows north in the municipalities of Saint-Robert and Sainte-Victoire, in the regional county municipality (MRC) of Pierre-De Saurel, in the administrative region of Montérégie, on the South Shore of St. Lawrence River, in Quebec, Canada.

[1] The Lemoine River has its source in an agricultural zone which is close (north side) to the source of Petite rivière Bellevue, at the limit of municipalities of Sainte-Victoire and Saint-Robert.

This source is located on east side of Chemin du Rang Bellevue.

From its source, the course of the Bellevue river descends on 9.9 kilometres (6.2 mi) almost entirely in agricultural zone, with a drop of 12 metres (39 ft), according to the following segments: The mouth of the Bellevue river empties on the south shore of rivière Pot au Beurre, close to the limit between Saint-Robert and Yamaska.

The toponym "rivière Bellevue" was made official on August 28, 1980, in the place name bank of the Commission de toponymie du Québec.