Hi Andrew,
Saint Luc is not the best option as "basecamp" in my opinion because of it´s location.
How many km would you like to ride each day? Just on road or with some off-road elements? What bike? Do you ride alone or with friends? Questions over questions...
For your consideration: a personal "POI list" with many passes, interesting places, etc.: https://www.google.com/maps/d/u/0/edit?mid=1wRIVqBxCOUcmLwVvuTIejBr5bh_r4pA&usp=sharing
Unfortunately, this cannot be done in MRA, because of too much entries.^^
Regards,
André