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DeCew Falls - Geology

Caption Large Left Image: Decew Falls and Ravine below, Caption Top Right Image: Ravine below Decew Falls and river flowing from the falls, Caption Bottom Right Image: Top of Decew Falls and Turbine Shed 

 

 

 

General Information

Hiking westward from Morningstar Mill, you will gradually descend the Niagara Escarpment and enter into Short Hills Provincial Park. This is an interesting area where the normally linear escarpment has been broken into a jumble of hills and valleys. Deer are a relatively common sight as you hike up and down along this stretch of the Bruce Trail.

 


TripClip Audio File

 

 


Directions

From Toronto: Head Southwest on QEW approximately 96.5km

 
Take Exit 49 for Martindale Rd approximately 1km
 
Merge onto Kings Highway 406 approximately 10.3km
 
Take the St David’s Exit approximately 1.2km
 
Left (south) at Merrittville Highway approximately 1.1km
 
Right (west) at DeCew Rd approximately 1.7km
 
Parking for DeCew Falls is on the right at the Morningstar Mill
 
 
From Fort Erie: Head west on QEW towards Exit 1A approximately 30.4km
 
Take Exit 32 for Thorold Stone Rd approximately 0.4km
 
Left (west) at Thorold Stone Rd approximately 5.5km
 
Continue onto King’s Highway 58 approximately 2.1km
 
Take the Collier Rd Exit (south) approximately 0.4km
 
Right (southwest) at Beaverdams Rd approximately 0.5km
 
Right (west) onto DeCew Rd approximately 3.5km
 
Parking for DeCew Falls is on the left at the Morningstar Mill

geological significance

Decew Falls cascades 22 metres (72 feet) into a bowl-shaped amphitheatre just behind the mill. The Decew Formation is a fine grained grey dolostone of the silurian age (approximately 443 to 417 million years ago). The rock here can be found in a thickness of up to 12 feet. The strata is underlain by the rochester shale, making it a cave bearing formation. The shale is somewhat impervious to water, so the water within the rock pools above the shale. The waters constant movement erodes and dissolves tunnels below. The DeCew Formation can be seen as far west as Hamilton, the obvious conchoidal fracturing being a feature that immediatly identifys the strata.


Recreational

Hiking, Walking Trails

 

Google Paths

Below is the path with destinations along the way


View interactive map and turn-by-turn directions

Address

St. Catharines, Ontario

Telephone

(905) 688-6050

GPS Co-ordinates

Latitude 43.110445
Longitude -79.264297

Administration

DeCew Falls
Morningstar Mill (Mountain Mills Museum)
2710 DeCew Road
St. Catharines, Ontario
Tel (905) 688-6050

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