Rocky Ridge County Park is a 10 mile hiking trail in York, Pennsylvania.
from route 30, take the mt zion road exit and go north on route 24. pass the york galleria mall ( it will be on the left side) and go up a pretty large hill. right after the top of the hill there is a hidden road on the right. It is named Deininger road, turn right on deininger and faollow it straight back till you are in the park and see the first two lots to the right and left of you.
http://www.tripleblaze.com/trail.php?c=3&i=7943