Gatineau Hills Gatineau Hills The Gatineau Hills () are a geological formation in Canada that makes up part of the southern tip of the Canadian Shield, and acts as the northern shoulder of the Ottawa Valley. They are also the foothills of the Laurentian Mountains which stretch east through Quebec, beginning north of Montreal and joining up with others into Vermont and New Hampshire. The geology of Gatineau Park, which encompasses these foothills, is related to the Eardley Escarpment, which is a fault line that lies along the southern edge of the hills. This escarpment makes the park an attractive location for
24 Sussex Drive several years of uncertainty, in 1950 the government decided to refurbish the property as a residence for the prime minister, the renovations costing just over $500,000. Louis St. Laurent was the first to take up residence in 1951. Since then, every prime minister—except for Kim Campbell (who resided at Harrington Lake) and, to date, Justin Trudeau (who has opted to reside at Rideau Cottage pending a review of work needed to repair the house)—has resided at 24 Sussex Drive for the duration of their mandates. Previous prime ministers lived at a variety of locations around Ottawa: Sir Wilfrid Laurier and