Point Pelee (pēˈlē) [key], peninsula, c.10 mi (16 km) long, extending into W Lake Erie, S Ont., Canada, near Leamington. It is the southernmost part of the Canadian mainland. Point Pelee National Park (6 sq mi/15.5 sq km; est. 1918) is there. The park is a wildlife sanctuary (especially for migratory birds) and is noted for its cattail marsh, woodland, and sandy beaches.