Lock 20

In 1958 the St-Lawrence seaway was created. The depth of the seaway was increased to allow larger ships to travel to the Great Lakes. As such many villages, road ways, locks, power houses, canals were submerged and can be seen by divers.

More information about the dive site can be found at https://www.neptune-scuba.info/ca/on/ecluse-lock-20-en.html