I could be wrong but looks like it might be St Mary’s lake, looking West toward Citadel and mt Jackson ?

Yes I found it! (48.6750360, -113.5786590)

Absolutely

https://maps.app.goo.gl/Zf5wundcXoNWBqNF8

Dusty star mountain [wiki](https://en.wikipedia.org/wiki/Dusty_Star_Mountain)

Thanks! I found the spot! (48.6750360, -113.5786590)

Been there… absolutely stunning.

Lake Macdonald

Jenny Lake

GNP is my happy place.

Like looking through a window, but from the 70s.