Scarborough Bluffs

Photo by George Nassas - April 20, 2006

Photo by Alan L Brown - April 25, 2006

Plaque Location

The City of Toronto
In Bluffers Park at the foot of Brimley Road, at the most westernly point of the park, a 10-minute walk west of the western parking lot.

Plaque Text

The layers of sand and clay exposed in these cliffs display a remarkable geological record of the last stages of the Great Ice Age. Unique in North America, they have attracted worldwide scientific interest. The first 46 metres of sediments contain fossil plants and animals that were deposited in a large river delta during the first advance of the Wisconsinan glacier some 70,000 years ago. They are covered by 61 metres of boulder clay and sand in alternating layers left by four subsequent advances and retreats of ice. The final withdrawal of the glacier occurred some 12,000 years ago.

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