Triangle Lake is a very small

lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ...

in northwestern Ontario, Canada. It is located between Dryden and

Kenora Kenora (), previously named Rat Portage (), is a city situated on the Lake of the Woods in Ontario, Canada, close to the Manitoba boundary, and about east of Winnipeg by road. It is the seat of Kenora District. The history of the name exten ...

Ontario Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...

. It can be seen from the

Trans-Canada Highway The Trans-Canada Highway (Canadian French, French: ; abbreviated as the TCH or T-Can) is a transcontinental federal–provincial highway system that travels through all ten provinces of Canada, from the Pacific Ocean on the west coast to the A ...

on the north side. In late June, 2009, it was the site of road construction. Triangle lake has recently been discovered to be acidified. It is a major concern.

See also