It’s your rifle, of course. But if you’re not going to be shooting at over 100 yards, do you really need a scope? Iron sights are simpler, cheaper and more rugged.
However, given your location and the likelihood that backup will slow to arrive (as in days!), it seems to me that having the ability to engage beyond 100 yards is desirable.
If it was me, I’d put a Leupold Var-X III 1.5-5 X 20 illuminated reticle scope on it with flip up, see through covers. Incidentally, this scope is available with a circle and dot reticle which you might, or might not, like.
I’d include quick removable scope rings and some sort of back up iron sight system (scopes can fog up at the wrong time).
I would avoid higher power scopes since they limit your field of view in close up situations.
If I were worried about bears, I might want a little more cartridge. Otherwise, the .308 should be about perfect for what you want.