Hog's Back Falls

Civil Engineer John MacTaggart, in 1827, described them as "a noted ridge of rocks, called the Hog’s Back, from the circumstances of raftsmen with their wares [timber rafts] sticking on it in coming down the stream."

Colonel John By's design for the Rideau Canal called for a large dam to be raised in this location.

It would divert water from the Rideau River into the artificially-created section of the canal leading to the Ottawa locks.

To accommodate the natural flow of the Rideau River and to prevent damage from spring flooding, a large wastewater weir was constructed.

The water from this flows through a channel that was excavated in the eastern bank of the Rideau River.