in England Mayburgh is considered a possible , Gibbet Moor Derbyshire , Goatstones and Three Kings Northumberland certain and a host of dubious ones . Northern Island has Mullaghmore .Wales has The Four Stones at Walton and Brittany Chateau -Bu which is uncertain . It is suggested that they were a later development from rsc's then travelled south , or at least the builders did , through east and west Perthshire Angus then on to Arran where there are 6 possibles and Ireland where they are confined to Co's Cork , Kerry and Wexford.