The best area we have found for barn quilts has been Shawano area and county...
http://www.shawanocountry.com/resour...tions20133.pdf
This is a link to a map for all 189 of them and they also give a link to Gresham area ones...most are on quaint little farms... beautiful tour to take. My hubby and I did the tour and he even enjoyed it very much.