Sussex Drive Sussex Drive Sussex Drive () is a major street in Ottawa, Ontario, Canada, and one of the city's major ceremonial and institutional routes. Running roughly parallel to the Ottawa River, Sussex Drive begins at Rideau Street at the north end of Colonel By Drive, running north and then bending northeast until MacKay Street, where it becomes the Sir George-Étienne Cartier Parkway. Sussex is a particularly famous street in the capital, as it is home to the Prime Minister's residence at 24 Sussex Drive and home to the Governor General's residence at Rideau Hall. Also located on Sussex are Ottawa's former
Harrington Lake who bought property here in 1867. The retreat is accessed by Chemin de Lac Meech with a gatehouse, staffed by the Royal Canadian Mounted Police Protective Policing Service, at the driveway of the retreat. The Prime Minister's motorcade accesses Harrington Lake from Ottawa via Quebec Autoroute 5. Several families came in the 19th century to settle the Harrington Lake area, including the Harrington and the Mousseau families. The lake eventually became known as "Harrington Lake" in English and "lac Mousseau" in French. The Mousseau family had built a farm on the shores of the lake, which remained in the family