Rideau Hall This national historic site is an idyllic 79-acre urban oasis and it is located only a few minutes from downtown Ottawa and Gatineau. You are welcome to visit the residence and workplace of the governor general and the park year-round. Find out now what to see and do! The Citadelle Steeped in history, this place has been the second official residence of Canada’s governors general since 1872. Collections and Exhibitions The interiors of the governor general’s residences reflect our nation’s history and serve as a window into Canadian culture. The Canadian character of the furniture and works of art enriches the heritage value of the residences. These works of art showcase Canada’s diverse artistic and cultural traditions of yesterday and today.