The Trent Severn Waterway web site offers maps, lock locations, GPS coordinates, hours of operation, history of The Trent Severn Waterway, links to Parks Canada who are responsible for The Waterway. Maps include a printable map you can take with you plus quick map links for 35 Towns with streets, grocery store and LCBO and beer store locations. Our detailed coordinates area starts with lock number, station name, GPS coordinates, distance from Lake Ontario and Parks Canada chart number. We offer businesses along the Waterway a free listing in our business directory as well as paid advertising on banner ads or on our print map. For 2016 we will have over 30,000 unique visitors and almost 10,000 Trent Severn map downloads. Trent Severn connects Trenton on Lake Ontario to Port Severn on Georgian Bay. A distance of 387 km (240 miles) and a rise of 180 meters (590 feet) above Lake Ontario and 80 meters (260 feet) above Georgian Bay at the Trent systems highest point, Balsam Lake. The lifting and dropping process incorporate 41 locks, a marine railway and two hydraulic lift locks including the worlds highest, 65 foot lift (20 meters), located at Peterborough Ontario. The system was started in 1833 and completed in 1920.