Rideau Canal

geographical name
Ri·​deau Canal | \ ri-ˈdō How to pronounce Rideau Canal (audio) \

Definition of Rideau Canal

canal system 124 miles (200 kilometers) long in southeastern Ontario, Canada, connecting Lake Ontario and the Ottawa River and including Rideau Lake (20 miles, or 32 kilometers, long) and the Rideau River (flowing into the Ottawa River)