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 |
|---|---|---|
| Lake St. Joseph (Canada, Ontario, Canada) |
1936 | Lake St. Joseph in northwestern Ontario is the kind of lake a fisherman’s dreams are made of. Famous all over North America as a prime fishery for nor … |
| Lac Seul (Canada, Ontario, Canada) |
1935 | Also known as Lake Seul The second-largest lake entirely within Ontario, Lac Seul has somehow escaped the notice of the casual vacationer looking for a northwoods getaway. Th … |
| Lac des Chats (Canada, Ontario, Canada, Quebec, Canada) |
1932 | Also known as Chats Lake Lac des Chats is more than a ‘wide spot’ on the Ottawa River. Champlain and other explorers remarked on the abundance of catfish along the waterway, s … |
| Round Lake, ON (Canada, Ontario, Canada) |
1925 | Round Lake is a spectacular 7,596-acre lake located in Renfrew County, Ontario, Canada. Renfrew County is part of the Ottawa Valley which was carved b … |
| Calabogie Lake, ON (Canada, Ontario, Canada) |
1917 | About 10,000 years ago a glacier retreated across what would become Ontario, leaving over a quarter of a million lakes in its wake. The ice-scour lake … |
| Lake Abitibi (Canada, Ontario, Canada, Quebec, Canada) |
1915 | Nearly 250,000 acres of water delight visitors to Lake Abitibi on the Ontario/Quebec border. This huge lake is actually two lake basins connected by a … |
| Lake Timiskaming (Canada, Ontario, Canada, Quebec, Canada) |
1913 | Also known as Lake Temiskaming, Lac Temiscamingue Large, scenic and inviting, Lake Timiskaming forms part of the border between Ontario and Quebec. A full 68 miles long, Lake Timiskaming is about 5 mi … |
| Rainy Lake, MN / Canada (Canada, Minnesota, Northeast Minnesota, Ontario, Canada, US Midwest Region, USA) |
1909 | Rainy Lake’s sprawling 221,000 acres straddle the border of the United States and Canada. Known as a water sports lover’s paradise, Rainy Lake is loca … |
| Charleston Lake (Canada, Ontario, Canada) |
1880 | A natural haven awaits vacationers in Eastern Ontario along the shores of Charleston Lake. Balanced along the eastern edge of the Frontenac Arch geolo … |
| Bobs and Crow Lakes (Canada, Ontario, Canada) |
1870 | A perfect destination to savor the character of the Rideau Lake District is Bobs and Crow Lakes. Located 50 miles north of Kingston, Ontario, the two … |
| Sand Lake ON (Canada, Ontario, Canada) |
1832 | Also known as Davis Lake, Rideau Lakes Sand Lake is one of the best-known lakes along the Rideau Waterway in Eastern Ontario. Sand Lake is the location of idyllic Birch Island and home to m … |
| Clear Lake ON (Canada, Ontario, Canada) |
1832 | Also known as Rideau Lakes One of the well-known smaller lakes on Ontario’s Rideau Waterway is Clear Lake. Often overshadowed by bigger lakes such as Big Rideau Lake, Clear Lake … |