What You Should
Know About Niagara Falls
More than 6 million cubic feet (168,000
cubic metres) of water go over
the crestline every minute during peak daytime tourist hours.
It is difficult to determine the depth of
the water at the crestline
due to various flows and conditions of the river.
The Canadian Horseshoe Falls, for the most
part, falls 170 feet (52
metres) into the maid of the Mist pool.
At the American Falls, the water plunges
vertically ranging from
70 to 110 feet (21 to 34 metres) to the rock at the base of the
The Niagara Gorge extends from the Falls for
7 miles (11 kilometers)
down stream to the foot of the escarpment at Queenston.
The brown foam below Niagara Falls is a
natural result of tons of water
plummeting into the depths below. It is not dangerous. The brown colour
is clay, which contains suspended particles of decayed vegetative
matter. It is mostly from the shallow eastern basin of Lake Erie.