The Beaver Lake is an artificial basin fitted in 1938 on a former swamp located on the Mount Royal, in Montreal, Quebec, Canada. It was designed by architect Frederick Todd.
It takes its name from an old beaver dam discovered during the work.
Wikipedia https://en.wikipedia.org/wiki/Beaver_Lake_(Montreal)
Address (Unnamed Road), Montréal H3H, Canada
Coordinates 45°29'55.434" N -73°35'50.63" E