Terrace Bay, Ontario, Canada


The Aguasabon Falls are located one km west of the Tourist Information Center in Terrace Bay. From Highway 17, follow the signs to a parking lot at the falls. From the parking lot there is a boardwalk out to a viewing platform overlooking the gorge and the spectacular 100 foot falls that are flowing into the gorge from the left.

The river follows fractures in the bedrock, which are approximately 2.5 billion years old, and the exposed rock located on the face of the Gorge is called “granodiorite.”

The Aguasabon Falls features a large turn-around parking lot (ideal for RVs), picnic tables and washrooms. The Falls boardwalk is wheelchair accessible and serves as an entrance to the 52 km Casques Isles Hiking Trail.
Aguasabon Falls in Terrace Bay
Aguasabon Falls in Terrace Bay at Peak Capacity
Aguasabon Falls Boardwalk and Signage
Aguasabon Falls Boardwalk and Signage
Aguasabon Falls Picnic Area
Aguasabon Falls Picnic Area
Video of the Aguasabon Falls in the Spring 
History of the Aguasabon Falls (Click Here for a Video of Construction)
The Falls were created in the late 1940s when the north end of Long Lake was dammed to ensure an adequate water supply for the Aguasabon Hydro Development which would power the creation of the Township of Terrace Bay and its pulp mill. The diverson created the manmade Hays Lake and as a result the spillway created the Aguasabon Falls. The project diverted water traditionally destined for Hudson Bay instead to Lake Superior and had a tremendous effect on raising water levels in the Great Lakes.
Construction of Dam
Construction of the Dam
When coupled with the nearby Ogoki water diversion, it is estimated that they have raised water levels in Lake Superior by 2.4 inches, Lake Michigan and Lake Huron by 4.3 inches, Lake Erie by 3.1 inches, and Lake Ontario by 2.8 inches, more than offsetting any diversions of water out of the Great Lakes. For more information on the development of the Ogoki and Long Lac diversions (for maps Click here), check out the excellent book "The Great Lakes Water Wars" by Peter Annin.
Today the water levels of the Aguasabon Falls are controlled by the Ontario Power Generation Company and fluctuate based on the amount of rain and levels required at Hays Lake to produce the optimum amount of Hydro-electric power.
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