There are waterfalls (French: Chutes de la Riviere Ouelle) close to the village of Saint-Gabriel-de-Kamouraska.

[1] The Ouelle river has its source in the Notre Dame Mountains east of the junction of Rang Terrebonne and the Rang-Terrebonne crossing.

[2] The Ouelle River, which undergoes the tides of the middle St. Lawrence estuary for a short distance from its confluence, is canoeable.

[3] The main tributaries of the Ouelle river are: The toponym "R. Hoel" appears on a map designed by Jean Bourdon around 1641.

This designation of origin honors Louis Houël, Sieur du Petit-Pré, controller of the saltworks of Brouage, member of the Compagnie des Cent-Associés and secretary to the king.