Slieve Binnian in the Mournes Slieve Binnian and Wee Binnian are located in the south eastern corner of the Mournes. Slieve Binnian at 747 is Northern Ireland's third highest peak. 'Sliabh Binnian' means 'mountain of the little horns (peaks)'.
The granite tors on the summit ridge of Slieve Binnian are the result of glacial action.
