west side: via chemin Saint-Léonard, chemin du rang Ouest, chemin du 7th rang, chemin du 5th rang, chemin du 8th rang and 2th West range for the upper part;
east side: via the rang des Aulnaies road which separates from the doublerange road and which becomes north the main road, the 4th range road, the 5th road range..
Forestry and agriculture are the main economic activities in the watershed. The surface of the Rivière des Aulnaies is usually frozen from the end of November to the beginning of April, however the safe circulation on the ice is generally done from mid-December to the end of March.
Geography
The main watersheds neighboring the Rivière des Aulnaies are:
From the head lake, the Aulnaies river flows over, in forest, agricultural and village areas, according to the following segments:
eastwards, to the Rivière des Habitants ;
towards the south-east by collecting William brook, up to Fraser brook ;
towards the south-east by winding up to the Labonté River ;
towards the south-west by meandering, up to the rivière à l'Ours ;
towards the south-east by crossing the village of Saint-Ambroise and bypassing on the west side an area of marsh, to the mouth of the river.
The Aulnaies river flows on the north bank of the Saguenay River. This mouth is located at:
west of the central Shipshaw dam which is crossed by the Saguenay River;
west of downtown Saguenay;
south-east of the center of the village of Saint-Ambroise;
west of the mouth of the Saguenay River.
Toponymy
The 1852 map designed by provincial surveyor Frederic William Blaiklock refers to the toponym "R. Des Aunes". The place name “Rivière des Aulnets” is also noted on the map of the township of Bourget in 1881. The land surveyor Jean Maltais, in his report on the township of Bégin, in 1895, mentions “the river of Aulnaies”. Appeared in Regions of Quebec, Lac-Saint-Jean, Chicoutimi and the north coast of the St. Lawrence, Description of surveyed cantons, explorations of territories and surveys of rivers and lakes, from 1889 to 1908, published by the Department des Terres et Forêts, Québec, 1908, page 6. The word aulnaie designates a place planted with alders. The Commission de géographie de Québec, the current Commission de toponymie du Québec, adopted the toponym "Rivière des Aulnaies" on November 4, 1948. The toponym of "Rivière des Aulnaies" was formalized on December 5, 1968, at the Place Names Bank of the Commission de toponymie du Québec.
