I'll be completely out of contact with the outside world from Mon. morning to Friday night
Thanks for all the good info you provide to the readers at no charge.
Regarding your trip to Canada, you have nothing to fear about the cold. Going to a colder climate will have the effect of preserving you for whatever length of time you spend there--- just like refrigerating food in a fridge.
Some of the added justifications for you going to a frigid climate I suppose will be the absence of mosquitoes and flies in an environment conducive to maintaining your good health.
A word of caution however:
There's a big difference between hunting bare and hunting bear.
Have a most enjoyable sightseeing tour. As you're already aware, this board will temporarily cease to function while you're away. It usually disintegrates to platitudes and banalities.