You can find a lot of information on the internet about how the finger lakes were formed and why they are so condusive to growing grapes.
If you find it all as interesting as we do, you may want to check out these links:

http://priweb.org/ed/finger_lakes/nystate_geo3.html

http://www.nysaes.cornell.edu/hort/faculty/pool/GrapePagesIndex.html

http://www.winecountrycabins.com/finger-lakes/index.htm

http://www.keukalakeassoc.org/

We'll be adding more information to this page as time goes by. If you have any suggestions or a link, just drop us an email and we'd be glad to hear from you.