Cross Slieve mountain info maps weather Cross Slieve is the 14603rd highest peak in the British Isles and the 1311th tallest in Ireland Also known as Croisshliabh Elevation 206.0 m (676 ft) Prominence 150.0 m (492 ft) Category Marilyn Hill / mountain range Antrim Hills Nearest town OS map sheets OSi50: 005 (Ballycastle)