The rivière des Orignaux (in English: Mooses River) crosses the municipality of Notre-Dame-Auxiliatrice-de-Buckland, in the Bellechasse Regional County Municipality, in the administrative region of Chaudière-Appalaches, in Quebec, in Canada.

Rivière des Orignaux is a tributary of the southwest bank of the rivière de la Fourche, which flows northward to empty onto the south bank of the rivière du Sud (Montmagny); the latter flows northwest, then northeast to the south shore of the St. Lawrence River.

The main neighboring watersheds of the Des Orignaux river are: The Rivière des Orignaux has its source in the township of Buckland, in the municipality of Notre-Dame-Auxiliatrice-de-Buckland, in the Bellechasse Regional County Municipality.

From its source, the Rivière des Orignaux flows on 9.1 kilometres (5.7 mi) at the bottom of a valley, divided into the following segments: The confluence of the Rivière des Orignaux is located on the southwest bank of the Forks River, in the township of Buckland.

[1] The toponym “rivière des Orignaux” was made official on September 11, 1987, at the Commission de toponymie du Québec.