In 1833 visionaries built a small wooden lock in Bobcaygeon to help the lumber industry. Over the next 87 years the Waterway grew to encompass 44 locks including 37 conventional locks, 2 flight locks, 2 hydraulic locks and a marine railway along the 386 km ribbon of Waterway connecting Trenton on Lake Ontario to Georgian Bay. Ever since the waterway opened it has been a recreational and commercial route, provided for conservation, water quality and navigation through the region. The Waterway attracts about 1.4 million visitors each year coming to experience the historic system, watch the boats and enjoy the peaceful environment. Travelling the 386 km by boat takes about a week one way, along the journey you will find The Trent-Severn Waterway is an engineering marvel that has stood the test of time and is National Historic Site of Canada.