Probably wrong but: Hetch Hetchy Reservoir?
No. It was a beautiful valley before they van dammed it.
No.
Looks like it’s time for a hint. It’s in one of the Stans: Canuckistan.
Lake Louise
No, but getting warmer.
Kinney Lake
No. A little colder.
kinbasket lake
No.
Lake Minnewanka
No.
Patricia lake
Hector Lake
Manicouagan Lake
No no and no. Another hint: it has a name related to birds.
Waterfowl lake
You need to be more specific (there’s two).
Goose lake
(I just made that up)
Nope.
There is a Goose Lake.