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Pyrites Dam

Directions

From the village of Canton, proceed on Park Street past the St. Lawrence University campus.  This becomes CR 25.  At the first stop sign, take a right on CR 27.  The first paved intersection is just past a car dealership.  This is CR 1 where you should take a right.  Very soon after the road takes a sharp turn to the left, you should take a right on to CR 21.  Take the first left on this road and you will soon see the dam on your left.

County: St. Lawrence
Town: Canton
USGS Map: Canton
Waterway: Grass River
Latitude: N 44o 31' 11"
Longitude: W 75o 11' 18"
Drop: 15'
Type: Ribbon cascade
Region: Off county roads south of the village of Canton
Parking: Roadside
Trail type: NA
Length of hike: NA
Difficulty: Easy
Accessibility: Private
Name: Common

Canton Quadrangle

There has been a dam at this location for many years.  It is now run by the National Grid Power Company.  Your views of this area are fairly obscured because of the foliage, but there is a waterfall directly below this dam.

Our pictures were taken from the roadside.  You can't get any closer because all of the property in this area is private and much of it is posted.  

This is a somewhat interesting location.  Usually at a dam site, the water level behind the dam is much higher than it was before the dam was built and the water coming over the dam hits the top of the waterfall, if one still exists there, and then plunges over it.  At this dam, however, the waterfall is actually formed over the rocks on one side of the channel.  Water is sliding down the top of this descent and then finds its way through a slot directing it through a sharp left and down the bank.  It fans out as it plunges and the base is about four times as wide as the crest.  

If the dam weren't there, the water level would undoubtedly be lower than the base of this waterfall.  Without the dam, this may have just been a cliff on the bank of the river.  Please note that this is simply a theory based on the pictures and our observations at the scene.  If we could get closer for a better look, perhaps the story would be different. 

The Grass River flows into the St. Lawrence River in Massena, in St. Lawrence County.

Note:  Depending upon which map or sign you are using, this river is referred to as either Grasse or Grass.  Officially it is Grass.

Last update:  September 21, 2015

Hover on any of the thumbnails to see an enlarged image


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