The Saint-Athanase River is a tributary of the south shore of the Saguenay River flowing into the municipality of Petit-Saguenay in the Le Fjord-du-Saguenay Regional County Municipality, Quebec, Canada.
The Saint-Athanase River Valley is mainly served by Saint-Louis Road and Saint-Etienne Road.wiki-osm.pl?project=en&article=Saint-Athanase River Open Street Map - Retrieved December 9, 2019
Forestry is the first economic activity in the sector; recreational tourism activities, second.
The surface of the Saint-Athanase River is usually frozen from the beginning of December to the end of March, however, safe ice circulation is generally from mid-December to mid-March.
Geography The main hydrographic slopes near the Saint-Athanase River are: North side: Saguenay River; East side: Saint-Étienne River, Petites Îles River, St. Lawrence River; South side: Petit Saguenay River; West side: Petit Saguenay River, Cabanage River.
The Saint-Athanase River rises at the mouth of Petit Lac Alphée (length: ; altitude: ). This source is located at: south of its mouth (confluence with the Saguenay River); northeast of the Petit Saguenay River; west of the mouth of the Saguenay River; east of the village center of Petit-Saguenay.
From its source (Petit Lac Alphée), the course of the Saint-Athanase River descends on according to the following segments: to the north, in particular, crossing the Alphée lake (length: ; altitude: ) on to its mouth; easterly, forming a curve to the north, to the discharge (coming from the north) of a group of small lakes; easterly forming at the beginning of a segment a hook to the south, to the discharge (coming from the south) of a set of small lakes; northerly forming a large S, to the discharge (from the east) of an unidentified lake; northerly, curving to the northeast, to the discharge (from the east) of a set of unidentified lakes; northwesterly to a dump of unidentified lakes; north in a steep valley curving westward around a large mountain to its mouth.
The mouth of the Saint-Athanase River flows into the bottom of "Anse au Cheval" on the south shore of the Saguenay River. This confluence is located at:
northwest of the village center of Saint-Étienne; northeast of the confluence of the Petit Saguenay River with the Saguenay River; west of Tadoussac.
Toponymy The toponym "rivière Saint-Athanase" (St. Athanase River) refers to St. Athanasius, a patron of the Roman Catholic Church.
The toponym "Saint-Athanase River" was formalized on December 5, 1968, at the Bank of place names of the Commission de toponymie du Quebec.
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See also Petit-Saguenay, a municipality Saguenay River, a watercourse List of rivers of Quebec