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Saint-Athanase River facts for kids

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Saint-Athanase River
Native name Rivière Saint-Athanase
Country Canada
Province Quebec
Region Saguenay-Lac-Saint-Jean
Regional County Municipality Le Fjord-du-Saguenay Regional County Municipality
Municipalities Petit-Saguenay
Physical characteristics
Main source Petit lac Alphée
183 m (600 ft)
48°11′19″N 70°00′54″W / 48.18852°N 70.01503°W / 48.18852; -70.01503
River mouth Saguenay River
3 m (9.8 ft)
48°13′47″N 69°58′39″W / 48.22972°N 69.9775°W / 48.22972; -69.9775
Length 9.7 km (6.0 mi)
Basin features
  • Left:
    (from the mouth) Décharge d'un ensemble de petits lacs, décharge d'un ensemble de petits lacs.
  • Right:
    (from the mouth) Décharge d'un ensemble de petits lacs, décharge d'un lac non identifié, décharge de 4 petits lacs.

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.

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.


The main hydrographic slopes near the Saint-Athanase River are:

The Saint-Athanase River rises at the mouth of Petit Lac Alphée (length: 0.3 km (0.19 mi); altitude: 183 m (600 ft)). This source is located at:

  • 5.4 km (3.4 mi) south of its mouth (confluence with the Saguenay River);
  • 2.6 km (1.6 mi) northeast of the Petit Saguenay River;
  • 23.8 km (14.8 mi) west of the mouth of the Saguenay River;
  • 4.9 km (3.0 mi) east of the village center of Petit-Saguenay.

From its source (Petit Lac Alphée), the course of the Saint-Athanase River descends on 8.6 km (5.3 mi) according to the following segments:

  • 0.6 km (0.37 mi) to the north, in particular, crossing the Alphée lake (length: 0.4 km (0.25 mi); altitude: 164 m (538 ft)) on 0.6 km (0.37 mi) to its mouth;
  • 0.5 km (0.31 mi) easterly, forming a curve to the north, to the discharge (coming from the north) of a group of small lakes;
  • 1.0 km (0.62 mi) 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;
  • 1.4 km (0.87 mi) northerly forming a large S, to the discharge (from the east) of an unidentified lake;
  • 2.4 km (1.5 mi) northerly, curving to the northeast, to the discharge (from the east) of a set of unidentified lakes;
  • 0.8 km (0.50 mi) northwesterly to a dump of unidentified lakes;
  • 1.9 km (1.2 mi) 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:

  • 3.4 km (2.1 mi) northwest of the village center of Saint-Étienne;
  • 9.1 km (5.7 mi) northeast of the confluence of the Petit Saguenay River with the Saguenay River;
  • 23.2 km (14.4 mi) west of Tadoussac.


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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