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The Rivière du Gouffre Sud-Ouest (English: South-West Pit Cave River) is a tributary of the eastern bank of the intermediate part of the Rivière du Gouffre, flowing in the unorganized territory of Lac-Pikauba and the municipality of Saint-Urbain, in the Charlevoix Regional County Municipality, in the administrative region of the Capitale-Nationale, in the province of Quebec, in Canada.

Rivière du Gouffre Sud-Ouest
Location
CountryCanada
ProvinceQuebec
RegionCapitale-Nationale
Regional County MunicipalityCharlevoix Regional County Municipality
Unorganized territory and municipalityLac-Pikauba and Saint-Urbain
Physical characteristics
SourcePrime Lake
  locationLac-Pikauba
  coordinates47.72763°N 70.61481°W / 47.72763; -70.61481
  elevation724 m (2,375 ft)
MouthRivière du Gouffre
  location
Saint-Urbain
  coordinates
47.65472°N 70.44194°E / 47.65472; 70.44194
  elevation
206 m (676 ft)
Length29.5 km (18.3 mi)
Basin features
Tributaries 
  left(from the mouth) Discharge of two small lakes, Bergeron stream, stream, discharge of several small lakes, stream, stream, outlet of Lac du Gros Castor, outlet of Lac de la Truite.
  right(from the mouth) Discharge from Lac aux Blueuts, two streams, stream from Mouches.

The lower and middle parts of this valley are served by a secondary forest road. Forestry is the main economic activity in this valley; recreational tourism, second.

The surface of the Gouffre Sud-Ouest river is generally frozen from the beginning of December until the beginning of April; however, safe circulation on the ice is generally done from mid-December to the end of March. The water level of the river varies with the seasons and the precipitation; the spring flood generally occurs in April.


Geography


The Gouffre Sud-Ouest river takes its source from Prime lake (length: 1.6 kilometres (0.99 mi); altitude: 724 metres (2,375 ft)) located in forest area and encased in the mountains. The mouth of this lake is located at the bottom of the bay southeast of the lake, either:

From Prime Lake, the course of the Gouffre Sud-Ouest river descends on 29.5 kilometres (18.3 mi) in a generally deep valley, with a drop of 518 metres (1,699 ft), depending on the segments following:

The Rivière du Gouffre Sud-Ouest flows downstream from a river loop on the west bank of the Rivière du Gouffre, in the municipality of Saint-Urbain. This mouth is located at:

From the mouth of the Gouffre Sud-Ouest river, the current descends on 41.7 kilometres (25.9 mi) with a drop of 202 metres (663 ft) following the course of the rivière du Gouffre which flows into Baie-Saint-Paul in the St. Lawrence River.[1]


Toponymy


According to research carried out in cartography, this toponymic designation appears on the regional map of the Ministry of Lands and Forests, 1915 edition. This designation also appears on regional map number 3-Est, 1943. The toponymic variants of this watercourse are: North-West Arm, South-West Arm, North-West of Rivière du Gouffre, Rivière Croche and Rivière du Gouffre North-West.

The toponym "Rivière du Gouffre Sud-Ouest" was formalized on December 5, 1968 at the Place Names Bank of the Commission de toponymie du Québec.[2]


Notes and references



Appendices


Map all coordinates using: OpenStreetMap 
Download coordinates as: KML







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