Saint-François River

Rivière Saint -Francois, at the mouth of Rivière Magog, in the center of Sherbrooke

Catchment area of ​​the Rivière Saint -François

The Rivière Saint -François is a right tributary of the St. Lawrence River in the south of the Canadian province of Quebec.

The named 280 km long, according to Francis of Assisi river drains an area of 10,230 km ², of which 14% to inflows in the south bordering the U.S. state of Vermont.

The river rises in Lac Saint -François in the foothills of the Appalachian Mountains, approximately 15 km south of the town of Thetford Mines. The Barrage Allard is located at the outflow of Lac Saint -François. It first flows in a southwesterly direction. Here it flows through the reservoir Lac Aymler, which is dammed by the Barrage Aymler. Shortly before he Sherbrooke describes a striking 90 ° bend and turns northwestward in the flat plain of the St. Lawrence Valley. Here open its main tributaries from the left in the river: Rivière Massawippi and Rivière Magog.

In Bromptonville, northwest of Sherbrooke, the Kruger Barrage is located on the river. About 15 kilometers above Drummondville has a flow loop on the shape of a duck head and is accordingly called " le Bec du Canard " means. At the village of Ville Pierre River eventually flows into the Lac Saint- Pierre, which forms part of the current. One kilometer southwest of the mouth of the Saint -François is that of the Rivière Yamaska ​​.

Hydropower plants

The gradient of 225 m of the Rivière Saint -François is exploited by several hydroelectric power plants with a total installed capacity of more than 55 MW.

On the river there are two hydroelectric power stations by Hydro- Québec ( HQ).

Hydro- Sherbrooke operates two smaller hydropower plants on the Rivière Saint -François - at Weedon ( ⊙ 45.661642-71.463726 ) and Westbury ( ⊙ 45.49797-71.620132 ).

Boralex operates a hydroelectric power plant ( ⊙ 45.482645-71.662285 ) at East Angus. The power plant from 1898 was renewed in 1992. It has an installed capacity of 2 MW at a drop height of 5.3 m.

Another hydropower plant ( ⊙ 45.557957-72.007561 ) was taken on 21 January 1996 at Windsor in operation. It has five Kaplan turbines with a total capacity of 5.5 MW and uses a drop height of 5.6 m.

The Barrage de la Chute - Hemmings ( ⊙ 45.863245-72.450276 ) was completed in 1924. It has a height of 18 m, a length of 701 m and a storage capacity of 20 million m³.

The Barrage de Drummondville ( ⊙ 45.886894-72.483804 ) was built in 1914, has a height of 22 m, a length of 919 m and a storage capacity of 1 million cubic meters.

The hydropower plants in downstream direction: