When you get to BC, if you're not there already, do not take HWY 5 (which is Kokahalla...or whichever it spells like), from Kelowna take 97 north (not 97C), down to Osoyus, and then take #3 west - way more fun to ride, fewer cars and twisties, and twisties, and .... twisties :)
Ride safe!