Or are you thinking you would like to head north, say inland first (like maybe the Napa Valley), head out to the coast, and then back to SF?
How familiar are you with the area?
I'll offer what I can based on your reply.
Santa Rosa, CA
Your username and password for these discussion forums are unique to the forums. Your forum login information is separate from your My Adventure Cycling login information, and your login info for the Cyclosource online store. You will need to create a separate login for each of these. However, to make things a bit easier, you can use the same email and password for all three accounts. Also, please note that your login information for the forums is not connected to your Adventure Cycling membership number. We apologize for any inconvenience caused.
We have blocked registrations from several countries because of the large quantities of spam that originate there. If the forum denies your legitimate registration, please ask our administrator for an exception. email@example.com will need your IP address, which you can find at many web sites, including http://whatismyipaddress.com.
This section allows you to view all posts made by this member. Note that you can only see posts made in areas you currently have access to.
. . . You still need to cut in (East) to the official route to cross the Columbia unless you brave the Astoria Bridge which is scary when cars / trucks lose patience with you.