is there a wall of the same name?
Yes, The Mourne Wall crosses fifteen of the summits and was built to enclose the catchment basin of the Silent Valley and Ben Crom reservoirs.
Mourne Mountains
 The Mourne Wall crosses fifteen of the summits and was built to enclose the catchment basin of the Silent Valley and Ben Crom reservoirs.
who went to the wall with jon snow A scouting party is this character part of a show? Yes, Jon Snow is a fictional character in the "A Song of Ice and Fire" series of fantasy novels by American author George R. R. Martin, and its television adaptation "Game of Thrones". what is the nature of this character? He is introduced as the 14-year-old illegitimate son of Eddard "Ned" Stark, Lord of Winterfell, and half-brother to Robb, Sansa, Arya, Bran and Rickon. Jon is described as having strong Stark features with a lean build, long face, dark brown hair and dark grey eye. who is his mother? The identity of Jon's mother has created much speculation when was the tv show first aired? April 17, 2011 what is the major theme of this show? It is the battle between good and evil which locations were the episodes filmed in? The primary location was the Paint Hall Studios in Belfast.  Exterior scenes include Sandy Brae in the Mourne Mountains,  Castle Ward, Cairncastle where are the mountains mentioned here located? Northern Ireland
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Mourne Mountains [SEP] Introduction
The Mourne Mountains ( ; ), also called the Mournes or Mountains of Mourne, are a granite mountain range in County Down in the south-east of Northern Ireland. It includes the highest mountains in Northern Ireland, the highest of which is Slieve Donard at . The Mournes is designated an Area of Outstanding Natural Beauty and it has been proposed to make the area Northern Ireland's first national park. It is partly owned by the National Trust and sees many visitors every year. The Mourne Wall crosses fifteen of the summits and was built to enclose the catchment basin of the Silent Valley and Ben Crom reservoirs.