Newest reservoirs in Ontario, Canada
The year that a reservoir was first filled to the reservoir’s normal elevation – or the year that a natural lake was first dammed – is the determining factor in the age of the body of water. A large reservoir can take more than a year to fill after its dam is first closed. You can find many of the the world’s newest reservoirs on LakeLubbers in the comparison table below. Many of the world’s oldest reservoirs appear on the last page of that list. Note: For some lakes, the completion year data is unknown, so you may see fewer lakes than the total 55 articles we have published for Ontario, Canada lakes.Thinking about booking a Ontario, Canada lake vacation home rental, cabin or hotel?
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Below are lakes within Canada > Ontario, Canada > Compared by newest (youngest) reservoirs and the year it was completed. This list does not represent all lakes in Ontario, Canada, only the 55 Ontario, Canada lake articles we have published on the LakeLubbers website.
Lake name  |
Completion year |
Lake description |
|---|---|---|
| Indian Lake ON (Canada, Ontario, Canada) |
1832 | Also known as Rideau Lakes Every North American chain of lakes seems to have an Indian Lake; Ontario’s Rideau Waterway is no exception. The name no doubt came from the original … |
| Big Rideau Lake (Canada, Ontario, Canada) |
1832 | Also known as Rideau Lakes One of the largest lakes along the route of the Rideau Waterway in Ontario, Canada is Big Rideau Lake. This lake is controlled by a canal system calle … |
| Newboro Lake (Canada, Ontario, Canada) |
1832 | Also known as Mud Lake, Rideau Lakes Newboro Lake, in Ontario’s Rideau Lakes Region is synonymous with water fun. The 4500-acre lake is home to cottages and fishing camps, islands large a … |
| Upper Rideau Lake (Canada, Ontario, Canada) |
1832 | Also known as Rideau Lakes Upper Rideau Lake holds a prominent place in Ontario’s ‘other Cottage Country’. Although many think of the area around Lake Muskoka as Eastern Canada’ … |