Napa SR-128 - By Sport Bike Richie

This is a pretty good route. Its sort of short, I usually do this one and the one from lake Berryessa to Napa in one day. Its tight and technical, not for the faint of heart. Its close to sacramento where I live. My only critique is that its not terribly long. If you are looking to spend all day riding you will be let down. But if you are newer and want to get your feet wet with some twisties, hit this up!