I suppose this really belongs in the Northern California section but I thought the rest of you would also enjoy/appreciate this, as questions about riding/climbing in our area frequently come to this forum as well.
This is a great set of photos from the recent "Low-Key Hillclimb" series, 7 weeks of some of the most popular climbs in the (mostly south) San Francisco Bay Area:
Enjoy....
Unfortunately I was unable to participate personally due to a knee injury (been out since late September), though several of my riding buddies got in on (and did very well in) the series.