some info on the "info on finger lakes thread" on this page
here is my post from there
the west lake road of hammondsport is very nice and a great drive (between hammondsport and branchport)
head up west lake road and then up the hill to Greyton H Taylor Memorial Drive, make a stop at Bully Hill winery where you'll have great views
Leaving Bully Hill point back towards Hammondsport and make a pretty quick left down Sanford Road and then connect into the Hammondsport/South Pultney Road - take a left there and continue onto Heron Hill Winery - if you take a left and continue down hsport/s. pultney road you'll eventually be able to split onto middle road
I would also hit Dr Franks off Middle Rd between Wright & Shuart - very nice place and the tastings are done a little different than heron hill and a lot different than bully hill
those 3 would give a nice mix of what keuka has to offer with wines, along with providing some really excellent views and some country driving
if you are up for it there is another stop that I did the last time I was home that I really enjoyed - Keuka Brewing Company - it's a really small micro brew place, but the beers were pretty good and at that time they weren't selling them in stores or anything, but pretty much operating out of the tasting room ...... it's pretty close to Dr. Franks - you'd go up Shuart until you hit the HSport/S.Pultney road, hand a right and then a left onto Briglin
On the way out of the vineyards (unless you wanted to see more of them) I'd either ride the Hsport/S. Pultney road or middle road until you get to Gallagher and then drop down to west lake road
if anyplace is serving lunch on the lake it could be worth stopping
here is a link to a brochure for the Keuka Lake Wine Trail
Keuka Lake Wine Trail - 2009
here is a gallery from bullyhill - you can see a really good view of the lake
Bully Hill Sites
here are some from heron hill - they don't show their tasting room, but it's stunning
Heron Hill Winery - Winery - Gallery
I couldn't find a gallery from Dr. Franks