On our CodyCross answers based website we have the solution for Highest peak in Northern Ireland: Slieve __. CodyCross game includes different missions and events which update daily so you can earn tokens that are mostly needed to help with answers for challenging clues. Now let's focus on the answer you need for Highest peak in Northern Ireland: Slieve __ by scrolling down which is part of CodyCross Astrology Group Puzzle 11.