Terrebonne was established by a bend in the river that made it an excellent spot to install a mill. Over the years, the type of mill changed, processing flour to lumber, and right now it's a (mostly closed because of covid-19) museum.
Shots like this make me head to Google Street View to try find where you were standing. Which lens did you use? I'm guessing the 135. Either way, it's really nicely done.