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.

A great site to dive the historic Locks of the St. Lawrence River. This site is accessible from the Canadian side of the river. A nice dive for beginners as there is no current and the depth is shallow.

The largely still intact Conestoga is a 252-ft wreck in Cardinal, Ontario and is an excellent dive for all level, and exceptional night dive site. Easy shore entry leads you to a 25 m-line to the wreck. It is a shallow dive (28 ft approx.) and drift-friendly. Great site to practice a camera.

Entry is a giant stride by the bridge. Coordinate entry to avoid separation. Initial canal depth is 20–25 ft. Prepare to navigate a shallow section (~10 ft) where the Canal connects to the river; it has strong current and boat traffic - stay close to the bottom. Use caution and SMB if appropriate.

The Wee Hawk wreck lies in very shallow, generally calm water and can appear inviting at first glance. However, the structure is unstable and deceptive. Diving should be limited to exterior exploration only; wreck penetration is not recommended without proper training and experience.

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.

This dive site is in the old Canal Soulange (no longer in use). It has an interesting location near Parc des Ancres (where you will find many old ship anchors). The site is shallow with very calm water. As such, it is easy to silt it up so take caution.

This site was set up by the City of Prescott. It has easy access and a nice set up for divers. The area is shallow with calm water. Bottom composition is silt.

Touted in Augusta as the “World’s Best Fresh Water Scuba Diving,“ this Rothesay dive and picnic site offer a great day-use area with easy access to amazing freshwater diving. The water clarity is excellent with no thermocline.

The St-Zotique underwater park boasts four wrecks: the Fédéral 11, The Teddy W, The Anne-Marie G, and the Fédéral 4. There are multiple anchors all linked together with cables so divers do not get lost.