Great Lakes Circle Tour Great Lakes Circle Tour The Great Lakes Circle Tour is a designated scenic road system connecting all of the Great Lakes and the St. Lawrence River. It consists of routes for circumnavigating the lakes, either individually or collectively. In Michigan, the Lake Superior Circle Tour (LSCT) runs from the state line at Ironwood to Sault Ste. Marie. In between it follows U.S. Highway 2 (US 2) to Wakefield, M-28 to Bergland and M-64 to Ontonagon. At Ontonagon, the LSCT continues east along M-38 to M-26. It follows M-26 to Houghton and then follows US 41 north to Copper Harbor. There
Great Lakes Waterway lake freighters to travel from the system's saltwater outlet to its far interior. The Waterway has larger locks and deeper drafts than the lower Seaway, limiting large freighters to the four lakes upstream of the Welland Canal and Lake Ontario and similarly restricting passage beyond the canal by larger ocean vessels. The two waterways are often jointly and simply referred to as the "St. Lawrence Seaway", since the Great Lakes, together with the St. Lawrence River, comprise a single navigable body of freshwater linking the Atlantic Ocean to the continental interior. Shipping channels separate upbound traffic from downbound traffic. The