Portage la Prairie (pôr´tĬj lə prâr´ē), city (1991 pop. 13,186), S Man., Canada. It is the center of a mixed-farming region and has diversified industries. The city is near the site of Fort La Reine, an important fur-trading post built (1738) by Vérendrye as a carrying point between the Assiniboine River and Lake Manitoba. The nearby Portage Diversion redirects Assiniboine floodwaters to the lake via a spillway.

Portage Lake, inlet of Keweenaw Bay, c.20 mi (32 km) long and 2 mi (3.2 km) wide, N Mich., indenting the southeast shore of Keweenaw peninsula. An old portage route connected it with Lake Superior, and now a short ship canal, the Keweenaw Waterway, links the two lakes.