Garmin's highly detailed inland lake and topographic maps for the Boundary Waters Canoe Area Wilderness which is located between Ontario, Canada and Minnesota on the US/Canadian border. Included Lake Maps provide detail such as creek channels, streams, fishing locations, navigational aids, wrecks and obstructions and more. Topographic maps provide 1:24,000 scale USGS Maps and 1:50,000 scale NRC (Natural Resources Canada) Maps