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Méchant Pouce River facts for kids

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Méchant Pouce River
Méchant Pouce River is located in Quebec
Méchant Pouce River
Country Canada
Province Quebec
Region Chaudière-Appalaches
MRC Montmagny Regional County Municipality
Physical characteristics
Main source Mountainous area of Côte-du-Sud
442 metres (1,450 ft)
46°53′24″N 70°10′45″W / 46.890009°N 70.179173°W / 46.890009; -70.179173
River mouth rivière du Sud (Montmagny)
361 metres (1,184 ft)
46°54′58″N 70°15′11″W / 46.91611°N 70.25305°W / 46.91611; -70.25305
Length 8.1 kilometres (5.0 mi)
Basin features
Progression Bras Saint-Nicolas, rivière du Sud (Montmagny), St. Lawrence River
  • Left:
  • Right:

The rivière Méchant Pouce (in English: Bad Tumb River) flows in the municipalities of Saint-Marcel (MRC of L'Islet Regional County Municipality) and Sainte-Apolline-de-Patton (MRC de Montmagny Regional County Municipality), in the administrative region of Chaudière-Appalaches, in Quebec, in Canada.

The confluence of the Méchant Pouce river forms the head of the Bras Saint-Nicolas which flows north-west, then south-west, to flow onto the south-east bank of the rivière du Sud (Montmagny); the latter flows north-east to the south shore of the St. Lawrence River.


The main neighboring watersheds of the Méchant Pouce river are:

The Méchant Pouce river takes its source from mountain streams, north-west of Violon Lake (altitude: 426 metres (1,398 ft)), in the Notre Dame Mountains. Violon Lake straddles the townships of Arago Saint-Marcel and Patton Sainte-Apolline-de-Patton. Rather, this lake is drained by the Rocheuse River (hydrographic slope of the Great Noire River).

From its source, the Méchant Pouce river flows over 8.3 kilometres (5.2 mi), divided into the following segments:

  • 0.3 kilometres (0.19 mi) west in Saint-Marcel, up to the municipal limit of Sainte-Apolline-de-Patton;
  • 2.9 kilometres (1.8 mi) northwesterly, to the northern limit of the township of Patton;
  • 3.7 kilometres (2.3 mi) towards the north-west, crossing an area of marshes, up to the route de l'Esperance;
  • 1.4 kilometres (0.87 mi) north-west, up to its confluence.

The Méchant Pouce river flows on the south bank of Bras Saint-Nicolas which flows north-west, then south-west to flow on the south-east bank of rivière du Sud (Montmagny). The confluence of the Méchant Pouce river is located in the hamlet of L'Espérance.


This unusual name appears on a map of the township of Bourdages, drawn up in 1876.

The toponym Rivière Méchant Pouce was made official on December 5, 1968 at the Commission de toponymie du Québec.

List of bridges

Sleepers Photo Municipality (ies) Year of construction Road Length Bridge type
Bridge 05062 Sainte-Apolline-de-Patton 1945 Route of Hope 14.1 metres (46 ft) Steel-timber bridge
Private deck Sainte-Apolline-de-Patton Forest road Steel-wood bridge
Bridge 11718 Sainte-Apolline-de-Patton Monk section Steel-wood bridge -
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