The course of the "Rivière aux Bluets" crosses the territory of the municipalities of Saint-Hilaire-de-Dorset, Courcelles-Saint-Évariste and Lambton, in the Le Granit Regional County Municipality, in the administrative region of Estrie, on the South Shore of the St. Lawrence River, in Quebec, Canada.

The main hydrographic slopes near the "Rivière aux Bluets" are: The "Rivière aux Bluets" has its source in a mountainous area in the seventh rang, south of the village of Saint-Hilaire-de-Dorset, north-east of the village of Saint-Sébastien, north-west of Saint-Ludger, west of rivière de la Grande Coudée and north of Drolet Lake.

From its head, the "Rivière aux Bluets" flows on 7.7 kilometres (4.8 mi) towards the north-west, up to the municipal limit between Saint-Hilaire-de-Dorset and Courcelles-Saint-Évariste; on 7.7 kilometres (4.8 mi) north-west, to the bridge in the village of Courcelles-Saint-Évariste near the Moulin Bernier; on 0.5 kilometres (0.31 mi) towards the southwest to the confluence with the rivière aux Bluets Sud located to the south of the village.

[1] The mouth of the "rivière aux Bluets" empties at the end of a bay which constitutes an extension of the northeast shore of Grand lac Saint François.

[2] The toponym "Rivière aux Bluets" was officially registered on December 5, 1968, at the Commission de toponymie du Québec.