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South Nation River

Landforms of the United Counties of Prescott and RussellRivers of OntarioTributaries of the Ottawa River
South Nation River
South Nation River

The South Nation River is a river in Eastern Ontario, Canada. It springs from forests and marshes located north of Brockville, and it flows 175 kilometres (109 mi) northeast to empty into the Ottawa River north of Plantagenet. Its watershed covers 3,900 square kilometres (1,500 sq mi). This river is called the "South Nation River" to distinguish it from a river in Quebec north of the Ottawa River called the Petite-Nation River or rivière Petite-Nation. The names of both rivers are derived from the French name for the native people of this area, the Weskarini. The area surrounding the river, originally covered with white pine, is now mainly used for agriculture. The river drains an almost flat plain, and its lack of gradient makes it prone to flooding. Dams and other water control measures have been introduced to help reduce the impact of seasonal flooding in the watershed. In some areas, the river flows through Leda clays which can be very unstable. Several landslides have occurred over the past century, including a major one near the former town of Lemieux on June 20, 1993. Approximately 3 million cubic metres (110,000,000 cu ft) of mud and clay slid into the river valley, blocking the river's flow for three days. Four kilometers of river to the south of Spencerville is good for canoeing during most water conditions. There is a public boat launch at the old mill.

Excerpt from the Wikipedia article South Nation River (License: CC BY-SA 3.0, Authors, Images).

South Nation River
Principale Street, Alfred and Plantagenet

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Geographical coordinates (GPS)

Latitude Longitude
N 45.573055555556 ° E -75.1 °
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Principale Street
K0A 3K0 Alfred and Plantagenet
Ontario, Canada
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South Nation River
South Nation River
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Petite-Nation River
Petite-Nation River

The Petite-Nation River is a river in western Quebec, Canada, that flows from the Laurentian Mountains to empty into the Ottawa River near Plaisance, Quebec. The river is 97 kilometres (60 mi) in length. This river's French name refers to the Algonquin people that inhabited this region, the Weskarini, which means "people of the little nation". The valley of the Petite-Nation was part of the Seigneury de la Petite-Nation, originally owned by the Lord François de Laval, the first archbishop of New France. Joseph Papineau acquires it from Séminaire de Québec in two parts, in 1801 and 1803. Joseph Papineau sold the seigneury to his son, Louis-Joseph Papineau, in 1817. Denis-Benjamin, Joseph's second son, is the lord of the seigneury. In 1929, the Papineau domain was sold off and became the Seigniory Club, which in turn later was acquired by Canadian Pacific hotels, now known as Fairmont. Louis-Joseph Papineau built a sawmill on the river at the Chutes du Diables Falls. A village, named North Nation Mills was part of the seigneury owned by Louis-Joseph Papineau. He was a former rebel, in Lower Canada, who was operating the mill at the time and developed at this site. Pine logs were floating down the river to the mill. The owners of the mill changed a few times: from the Papineau family to the Cooke family, and then the Gilmour family, and finally to the Edwards and the McClarens. The village was demolished in 1920 after the sawmill was shut down. The area near the river's mouth was flooded by a Hydro-Québec dam on the Ottawa River. A Quebec park is located in this area. There is also the South Nation River in Ontario which empties into the Ottawa River.