Harrington Lake Harrington Lake Harrington Lake () is the name of the summer residence and all-season retreat of the Prime Minister of Canada, and also the name of the land which surrounds it. The property is located near Meech Lake—where the Meech Lake Accord was negotiated in 1987—approximately 35 kilometres northwest of Ottawa, in Gatineau Park, amidst the Gatineau Hills in Quebec. The property is not open to the public, but the Mackenzie King Estate, the retreat of Prime Minister William Lyon Mackenzie King at Kingsmere, is a tourist attraction located 2 kilometres south in the park. Since 1986, the 5.4-hectare (13-acre)
Harrington Lake property at Harrington Lake has been managed by the National Capital Commission. The property includes four recreational buildings; the land, which formerly consisted of cultivated fields, has reverted to secondary forest. In addition to the main cottage with its fine view over the lake, the Harrington estate includes the following structures: The lake itself and the area around it are referred to as "Lac Mousseau". The name "Harrington" is thought to be a misspelling of "Hetherington", the name of a family which settled in this area. The French name "Mousseau" comes from another early settler to the area, Louis Mousseau,