Here's your trip itinerary all planned out:
1) leave Seattle drive to Marble Canyon.
2) climb Dreamweaver or crag at Lower Wall
3) drive to Skaha, climb
4-5) 2more days at Skaha
6) drive to Nelson, acquire herbage from some trustafarian on a street corner , drive to camp in Slocan
7) climb south ridge of Gimli, drive to Stone Hill
8) climb Stone Hill
9) climb half-day stone hill, drive to central washington
10) climb some central wa. stuff, drive home.
This gives you a good mix of Limestone, Granite, Gneiss and Basalt, sport and trad (mostly trad), lots of variety and you never have to deal with the dreaded Canmore Wannabe Guide Poseurs...