Looks like an incredible trip! Colour me envious!
If you happen to be stopping in Prince George on your way north (or south) drop me a PM. We live on acreage just 10 min west of the city, lots of lawn space for tenting or a spare bed if you'd prefer a break from the elements.
I also have a utility trailer in case either of the KLR's need retrieval anywhere in the area
Sorry... die-hard DR owner, I had to get that jab in there!
Good luck with the rest of your planning!