Harrington Lake Lake. Initially, Campbell took up residence at Harrington Lake so that her predecessor, Brian Mulroney, could continue to reside at 24 Sussex Drive until renovations on his new private residence in Montreal were completed. Once Mulroney vacated 24 Sussex, Campbell had not finished moving to that address before her party was defeated in the 1993 election. 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
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,