If you are an AOPA member they can give you some guidance (not complete, but some good information for free).
The majority of the information (including charts, regulations, Remote area operations, etc.) that I used was from NavCanada.ca. I took a quick look at the current website to hopefully provide you a quick link but I couldn't find it. I would reccomend calling them if you can't find it either.
Enjoy the trip...it is absolutely amazing up that way!