Champlain Regional County Municipality


Champlain was a former regional county municipality and census division in the Canadian province of Quebec. It ceased to exist when it amalgamated into the expanded city of Longueuil on January 1, 2002.
It was the smallest in area and most populous regional county municipality.
Champlain RCM consisted of:
On January 1, 2002, all of the above, plus Boucherville and Saint-Bruno-de-Montarville, amalgamated into the expanded city of Longueuil. On January 1, 2006, however, Brossard, Boucherville, Saint-Bruno-de-Montarville, and Saint-Lambert demerged and became independent again; however, they remain part of the urban agglomeration of Longueuil.