Quote Originally Posted by anthos View Post
I've got about 6 days to drive from San Fran to Seattle.
That's a very reasonable period of time -- Welcome to the Great American RoadTrip Forum! Here are some ideas:

Peter Thody's Field report from northern California to Seattle
Crater Lake & some of those "eastward" detours mentioned above.
Judy's tips for the Portland and Seattle attractions
A few more suggestions for Seattle....
A month's worth of travel suggestions in the PNW

Happy Planning!

Mark