Originally Posted by
raybo
I, too, live in SF (assuming you mean San Francisco). The first overnighter I did was to Samuel P. Taylor state park past Fairfax. It is about 35 miles from my place, has a hiker biker site, showers, and it a nice ride.
The best route there can be found on the Marin County bike map, available at most bike shops around here.
Ray
+1 I love Samuel P Taylor park. If you want longer ride and don't want to take camping gear then you could ride to the point reyes hostel, which was my first overnighter.