Main stem - Lac des deux montagnes Riverwatcher
Lac des Deux Montagnes is part of the delta widening of the Ottawa River where it feeds into the Saint Lawrence River. From Carillon Dam to the rapids of the Grand-Moulin (Laval), this stretch of the river is about 20-miles long and may be as 4-miles wide from one shore to the other. This is one of the most used stretches of the river by beach-goers, boaters, and fishermen.
Bertrand, the Lac des Deux Montagnes Riverwatcher is located on L’Ile-Bizard where the shore is rocky. As many on our river, he observed a wide variation of the water level especially during the spring flood.
L’ile-Bizard experienced a population explosion in the past 3 decades. The Island had a population of 1,000 until 1970 and used to be farmland. Today, the island is home to 17,000, has three 36-hole golf courses, and one large vegetable farm. One large nature park is located on the east side and fallow fields are on the west side of the island.
Local Concerns
Sewage entering the Ottawa River is a large concern in the Lac des Deux Montagnes, as this body of water is upstream from Montreal and one of its drinking water sources.
Poor shoreline development along the Ottawa River is a also concern. Significant shoreline alterations to accommodate the building of large private homes are common in this stretch of the river. To learn what you can do to protect the river and minimize your footprint, please click here
What not to do~ Photos by Bertrand Daoust
Lac des Deux Montagnes Riverwatcher
Contact: Bertrand Daoust
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