Newest reservoirs in Ontario
This is a comparison for lakes within Canada > Ontario > - Compared by Newest (Youngest) Reservoirs and the year it was completed.Note: For some lakes, age data is unknown or does not apply, so this table may display fewer lakes than the total 55 articles we have published for Ontario lakes.
Search results: Sort lakes by completion year
Lake name ![]() |
Completion year ![]() |
Lake description |
---|---|---|
Lake St. Joseph (Canada, Ontario) |
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) |
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, Quebec) |
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) |
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 (Canada, Ontario) |
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, Quebec) |
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, Quebec) |
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 (Canada, Midwest, Minnesota, Northeast, Ontario, 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) |
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) |
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… |
Upper Rideau Lake (Canada, Ontario) |
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’… |
Indian Lake ON (Canada, Ontario) |
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… |