Justin Trudeau three half-siblings, Kyle and Alicia, from his mother's remarriage to Fried Kemper, and Sarah, from his father's relationship with Deborah Coyne. Trudeau lived at 24 Sussex Drive, Ottawa, the official residence of Canada's prime minister, from his birth until his father's government was defeated in the federal election on May 22, 1979. The Trudeaus were expected to move into the residence of the Leader of the Official Opposition, Stornoway, at 541 Acacia Avenue in Rockcliffe Park, but because of flooding in the basement, prime minister Joe Clark offered them Harrington Lake, the prime minister's official country retreat in Gatineau Park,
Gatineau Hills the Gatineau Hills in 1903; many reports, plans and actions were made over the years to protect the area until it became as it looks today. The Gatineau Hills are also significant as a skiing destination, serving the neighbouring communities of Ottawa, Ontario and Gatineau, Quebec. Gatineau Park contains over 190 km of cross-country trails, and plays host to the annual "Gatineau Loppet" competition. Downhill skiing is available at locations including Camp Fortune, Mont Cascades, Mont Ste. Marie, Edelweiss, and Vorlage. The hills are small compared to the ski areas in the northeast, such as Mont Tremblant and Mont Ste-Anne,