Covering from Poyntz Pass and Moneycarragh to Balriggan, Carlingford and the coast from Newcastle to Kilkeel OSNI 1:50 000 scale map of The Mournes is one of a series numbered on an all-Ireland basis and Ordnance Survey of Northern Ireland is responsible for the design and publication of the sheets that cover Northern Ireland and adjoining parts of the Republic of Ireland.

• The layout incorporates a number of overlaps.
• It is the country's most detailed small-scale map.
• Waterproof