Pierrefonds-Senneville is a former Montreal borough in the West Island area of

Montreal Montreal ( ; officially Montréal, ) is the second-most populous city in Canada and most populous city in the Canadian province of Quebec. Founded in 1642 as '' Ville-Marie'', or "City of Mary", it is named after Mount Royal, the triple ...

Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...

. It was formed by forced merger on January 1, 2002. After Senneville voted on June 20, 2004 to demerge from Montreal and returned to being an independent municipality on January 1, 2006, the Pierrefonds sector was merged with Roxboro to create the borough of

Pierrefonds-Roxboro Pierrefonds-Roxboro is a borough of the city of Montreal. It was created January 1, 2006, following the demerger of parts of the city. Geography It is composed of the former municipalities of Pierrefonds and Roxboro, spanning the northern par ...

See also