It is a gravel road. but is up and down. very wide. rode quite often. there is one hill that is UNREAL!!
From lexington,ky Take I-64 east to mountain parkway east Prestonsburg exit. Go to Prestonsburg get on us 23 south. exit at dewey lake. go to the Lodge. then drive on up the hill to the cabins till you see a gravel road. park here and ride on the gravel road on your bike.
http://www.singletracks.com/item.php?c=1&i=235