By Dol Tor.
http://pecsaetan.weebly.com/dol-tor-standing-stone.html

By Rowtor rocks. Ask Rachael at Rocking Stones farm for permission first though, she usually lets people up if they ask. if you don't then be prepared to be kicked off as soon as the dogs hear you. (just follow the windy drive around and uphill till you reach the house)
http://pecsaetan.weebly.com/bradley-tor-rocking-stone.html

You'll probably have to negotiate brambles at both sites so no shorts. :)