Slieve CorraghSlieve Corragh is one of the Mourne Mountains in County Down, Northern Ireland. It has a height of.LocationSlieve Corragh is one of the Mourne Mountains, and the Mourne Wall passes east–west on the mountaintop. It is part of the Slieve Commedagh massif, and Slieve Commedagh itself is placed on its east. On its west lies Slievenaglogh.