The Niagara Escarpment is a long escarpment, or cuesta, in Canada and the United States that starts from the south shore of Lake Ontario westward, circumscribes the top of the Great Lakes Basin running from New York through Ontario, Michigan, and Wisconsin. The escarpment is the cliff over which the Niagara River plunges at Niagara Falls, for which it is named.
Rattlesnake Point near Milton, Ontario
The Niagara River has carved the Niagara Gorge through the Niagara Escarpment over thousands of years.
Niagara Escarpment in Grimsby, Ontario from about 1060 metres (3,500 feet) above sea level
A section of escarpment cliff, seen from the Bruce Trail in Ontario
An escarpment is a steep slope or long cliff that forms as a result of faulting or erosion and separates two relatively level areas having different elevations.
Shaded and colored image from the Shuttle Radar Topography Mission—shows an elevation model of New Zealand's Alpine Fault running about 500 km (300 mi) long. The escarpment is flanked by a chain of hills squeezed between the fault and the mountains of New Zealand's Southern Alps. Northeast is towards the top.
The Sierra Escarpment in California