From Napa simply head east on route 121 till it T's into route 128. You then want to take a left on to route 128 and take it north/northeast for about 4.5 miles until you see Berryessa Knoxville Rd on the right. Take a right onto Berryessa Knoxville Rd and now enjoy the ride along the lake for about 15 beautiful miles. That's what I call the end point but actually you could continue on the road and it would take you all the way up to Clear Lake. If you decide to go all the way to Clear Lake, Berryessa turns into Co Rd 140 (Morgan Valley Rd.). Take a left on Hwy. 50, going North and this will drop you into Clear Lake.
This is the hills of the Napa Valley. Windy roads with plenty of places to pull off and suck in the view. Then you travel about 15 magnificent miles as the road that hugs the shore of wonderful Lake Berryessa..
While there are some parts in disrepair the over all quality of the road is awesome
There's really not much along the way but on Sunday mornings there's a restaurant that gets full of bikes of all types where 121 and 128 meet. But you'll be taking this route for the scenery and not the amenities.
Stop at Turtle Rock at Lake Berryessa for great egg rolls--hand made there on site. If you decide to travel the Knoxville Road to Clear Lake be aware that there is nothing but nothing on this road --make sure you have gas, snacks and water. The road is also not particularly smooth so it's not to be ridden at a fast pace. DO NOT ride this road until very late in the spring --the small creeks run over the road and create very mossy, extremely slippery spots that can easily take you down.Hwy 128 also connects to Winters so it's easily accessible from the Sacramento area. Check out the Putah Creek Cafe or Cody's for lunch or the Buckhorn for dinner. We ride up from Winters on 128, have egg rolls at Turtle Rock and then continue on 128 over towards Calistoga to Buster's BBQ --great, fingerlickin' food --then we head back home on 121/128. Take your time, watch out for potholes and idiots in cars --especially around the lake in the summer --this is a fun road but we have seen some pretty horrible bike accidents because the bikers were taking the turns faster than they should for their level of experience.
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4 riders found this road review useful
July 18, 2010
0 McR Points
Motorcycle Type : Sport - Touring
The road leading up to the lake is well-paved, with some awesome tight corners. I went early so as not to hit traffic. I ended up going all the way to Clear Lake. The road quality degrades severely (floods during rain season and potholes created from frost in winter) after Lake Berryessa. Also, be sure to keep tabs on your gas, as I didn't see a place to fill up between the south end of Lake Berryessa and Lower Lake.
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1 riders found this road review useful
Sport Bike Richie
May 6, 2019
16 McR Points
Motorcycle Type : Sport
My review of this one is the same as a route close by: 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!