It runs 132 ft from east to west so that it is filled at alternate ends with morning then evening light.
As the second longest banqueting hall in Ireland this incredible room serves as a unique and inspiring venue for the most lavish party.
The 17th century Flemish choir stalls at one end of the room tower magnificently over all that pass beneath them. The north wall is paneled with a wainscot carved with biblical episodes, while opposite a series of enormous fireplaces dot the southern wall.
For a private dinner or party, up to 200 place settings can be laid on round tables or alternatively up to 90 on one long table.