Notre Dame Roman Catholic Basilica National Historic Site of Canada is a large Gothic Revival cathedral, built of ashlar limestone, whose twin towers mark the entrance to Lowertown, one of Ottawa’s earliest neighbourhoods. It is prominently located on Sussex Drive, between St. Patrick and Guigues streets, across from the National Gallery of Canada, in Ottawa’s Lowertown area. As the physical and spiritual centre of Ottawa’s Catholic community, the cathedral is flanked on its south side by the Archbishop’s Palace and on its north side by the former College of Bytown and the Mother House of the Grey Nuns. The formal recognition consists of the cathedral on its legal property at the time of designation.
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