Mark CarneyDonald Trump

Trump orders Lake Ontario renamed Lake America; Carney says Canadians will call it Lake Ontario 'then, now and always' as B.C. border landmarks face scrutiny

President Trump has ordered Lake Ontario to be renamed Lake America, a decision met with swift criticism from Canadian Prime Minister Mark Carney, who emphasized that Canadians will continue to refer to it as Lake Ontario. The name has historical significance, predating both nations' founding documents.

Vancouver Sun29 August 2026 · 15:23 UTC
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President Trump’s recent executive order to rename Lake Ontario as Lake America has sparked immediate backlash from Canadian officials. Prime Minister Mark Carney stated, “Canadians also know that naming reality means calling it Lake Ontario — then, now and always.” The name Lake Ontario, derived from the Wendat word Ontaro, has historical roots that predate both the Canadian Confederation and the U.S. Declaration of Independence.12

While the U.S. administration has not indicated plans to rename other border landmarks, the potential for such actions raises concerns. “We know that America is changing. Their trading relationships, their foreign policies, their national monuments, their hydronyms,” Carney noted on social media, highlighting the implications of such a name change.

The significance of Lake Ontario extends beyond its name; it is a vital geographical feature that has been recognized for centuries. The lake is not only a natural resource but also a cultural symbol for Canadians. As discussions about border landmarks continue, the focus remains on the importance of historical names and their meanings.

In British Columbia, several landmarks straddle the Canada-U.S. border, including Osoyoos Lake and the Columbia River, which have their own unique histories and names. These features underscore the shared geography and cultural ties between the two nations, making the renaming of Lake Ontario a contentious issue that resonates deeply with Canadians.

Key Insight
“Carney's social media post ties the renaming to broader U.S. shifts in trade, foreign policy, and national monuments, calling it a change in 'hydronyms.' The article highlights that B.C. landmarks crossing the border, like the Peace Arch, could be next on Trump's list.”
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From Gulf of America to Lake America... What will Trump rename next? | DW News
Canada’s foreign affairs minister addresses Trump’s renaming of Lake Ontario in the US
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Canada’s foreign affairs minister addresses Trump’s renaming of Lake Ontario in the US
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Vancouver Sun
“U.S. President Donald Trump signed an executive order this week to rename Lake Ontario to Lake America, a move swiftly dismissed by Prime Minister Mark Carney.”
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