Inconnue River (rivière des Perdrix tributary)

The Inconnue River (in French: rivière Inconnue) flows in the municipalities of Cap-Saint-Ignace and Notre-Dame-du-Rosaire, in the Montmagny Regional County Municipality, in the administrative region of Chaudière-Appalaches, in Quebec, in Canada.

Rivière des Perdrix
Location
CountryCanada
ProvinceQuebec
RegionChaudière-Appalaches
MRCMontmagny Regional County Municipality
Physical characteristics
SourceMountain and forest streams
  locationCap-Saint-Ignace
  coordinates46.901401°N 70.321295°W / 46.901401; -70.321295
  elevation395 metres (1,296 ft)
MouthEstuary of Saint Lawrence
  location
Notre-Dame-du-Rosaire
  coordinates
46.90222°N 70.37639°W / 46.90222; -70.37639
  elevation
361 metres (1,184 ft)
Length5.9 kilometres (3.7 mi)
Basin features
Progressionrivière des Perdrix, Bras Saint-Nicolas, Rivière du Sud (Montmagny), St. Lawrence River
Tributaries 
  left(upstream)
  right(upstream)

The "Inconnue River" is a tributary of the east bank of the rivière des Perdrix, which flows towards the south bank of the Bras Saint-Nicolas; from there, the current flows to the southeast shore of the rivière du Sud (Montmagny); the latter flows north-east to the south shore of the St. Lawrence River.[1]

Geography

The main neighboring watersheds of the Inconnue River are:

The Inconnue River has its source on the north slope of the Notre Dame Mountains, in the township of Bourdages, in the municipality of Cap-Saint-Ignace. Several branches of mountain and forest streams feed the head of the Inconnue River.[1]

From its source, the Inconnue River flows through mountainous and forested areas over 5.9 kilometres (3.7 mi), divided into the following segments:

  • 3.1 kilometres (1.9 mi) southwesterly in Cap-Saint-Ignace, to the limit between Cap-Saint-Ignace and Notre-Dame-du-Rosaire;
  • 2.8 kilometres (1.7 mi) north-west in Notre-Dame-du-Rosaire, until its confluence.[1]

The Inconnue River flows on the east bank of the Perdrix River (Bras Saint-Nicolas) in a small valley north of the Érables mountain. This confluence is located 14.3 kilometres (8.9 mi) from the south shore of the St. Lawrence River, 8.4 kilometres (5.2 mi) north of the village of Notre-Dame-du-Rosaire and at 15.8 kilometres (9.8 mi) southeast of the Montmagny highway bridge.[1]

Toponymy

The toponym Rivière Inconnue was formalized on December 5, 1968 at the Commission de toponymie du Québec.[2]

See also

Notes and references

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