The Lost Villages were ten communities in the Canadian province of Ontario, in the former townships of Cornwall and Osnabruck near Cornwall, which were permanently submerged by the creation of the Saint Lawrence Seaway in 1958.

South Stormont is a township in eastern Ontario, Canada, in the United Counties of Stormont, Dundas and Glengarry. It is located 53 kilometres (33 mi) southeast of Ottawa. South Stormont borders on, but does not include, the city of Cornwall.