Appalachian History In the fall of 1861 Rockcastle County stood on the edge of a war that had not quite arrived. The county seat at Mt. Vernon sat at the foot of Wildcat Mountain on the road toward London and the Bluegrass. The Rockcastle River wound through steep hills that funneled travel onto a few narrow crossings. For Union and Confederate commanders studying their maps, those crossings and ridges looked like gates.






