In reply to JohnV:
When you arrive head to MEC in Vancouver to get your maps and guide books for Duffey Lake and Rogers Pass/other areas.
Good info on routes http://www.backcountryskiingcanada.com/touring_locations
Duffy Lake has a couple cabins you can stay in overnight, best to go on weekdays to avoid the weekend warriors. - Keith's Hut
Rogers Pass likewise has a couple small huts but you'll need to reverse a spot as they book up quickly through The Alpine Club of Canada. Sapphire Col hut is usually pretty empty due to it's location and size.
If you're looking for something else then maybe head North to Terrace, couple huts in the area as well as a great little ski hill with good backcountry.
Bring a camping gear as there's always good spots for basecamp locations.
Have fun!
Post edited at 06:02