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.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.