Lennox Addington County (Greater Napanee, Loyalist) — about 2 hours from Toronto and Ottawa and 3 hours from Montreal.
http://www.lennox-addington.on.ca/explore/county-trails [Lake Ontario and Hay Bay]
Northumberland County (Port Hope, Cobourg, Alnwick/Haldimand) –about 90 minutes east of the Toronto area
www.NorthumberlandTourism.com/CyclingLoops [Lake Ontario and Rice Lake]
Durham Cycle Tours—a pdf map showing 14 fantastic cycling loops that include the Great Lakes Waterfront Trail (off-road from Pickering to Oshawa!) and the Greenbelt Route. It describes over 700 km of cycling! Download GPS and PDF versions of the map at https://www.durhamtourism.ca/cycletours.
Hikers will love the Durham Region Trails Guide filled with great walks in the Durham area including the Trans Canada Trail and Great Lakes Waterfront Trail. Check out the interactive map here. http://image.durham.ca/TrailsMap/default.html
Greater Niagara Circle Route-140km loop that follows Lake Ontario, the Niagara River, Lake Erie and the Welland Canal system. Check out Niagara Cycle and Stay–a group of B and Bs who will move your gear ahead to the next stop.
About 90 minutes west of Toronto. Several routes taking you along Lake Erie and the Grand River.
http://www.haldimandcounty.on.ca/Visitors.aspx?id=13158 [Lake Erie and the Grand River]
Explore the beautiful trails and parks by biking, walking, hiking, jogging, and cross-country skiing throughout Elgin County. The comprehensive map shows over 5 cycling loops that include the Great Lakes Waterfront Trail along Lake Erie. For more information and to order your map, visit: http://www.elgintourist.com/cycling.
St. Thomas and Four Ports Tour
This four-day journey, takes you along quiet rural roads and the Waterfront Trail, down Lake Erie’s northern shoreline and through four heritage fishing ports and expanses of farmland. For more information visit: http://www.elgintourist.com/cycling.
Total Distance: 184 km. See the map.