At 1 Sussex Drive, you will find Rideau Hall. This estate is the official residence of Canada's Governor General. Tours of the Residence: Accompanied by a guide-interpreter, discover the 19th century elegance of the home where Canada welcomes world leaders and honours the accomplishments of Canadians from every part of the country and every walk of life. Tours of the Grounds/Gardens: 79 acres of woods and manicured parkland make up one of the capital's favourite green spaces. Call for details about our tours. More information (613) 991-4422 or 1-866-842-4422.