Ontario's Historical Plaques 

Discover Ontario's history as told through its plaques

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Rapids of the Upper Ottawa

Rapids of the Upper Ottawa

Photos by contributor Brian Bockus - Posted July, 2017

Rapids of the Upper Ottawa

Plaque Location

The County of Renfrew
The United Townships of Head, Clara & Maria
In Deux Rivières, on the east side of Dunlap Crescent
street number 730, just north of Highway 17
before the bridge

Coordinates: N 46 15.175 W 78 17.255


Plaque Text

For over two centuries the Ottawa River was part of the main canoe route to the West. Some of the river's most spectacular and dangerous rapids were located immediately downriver from here: the Rapide de la Veillee, the Trou and the Rapide des Deux Rivieres. Further on lay the legendary Rapide de la Roche Capitaine. In 1800 the explorer Daniel Harmon counted fourteen crosses commemorating voyageurs who had drowned in its swirling waters. By 1950, with the construction of the Des Joachims generating station, these rapids and their portages had been submerged in the dam's headpond, Holden Lake.

Lakes and Rivers

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