The verdant green color of the water flowing over Niagara Falls is a byproduct of the estimated 60 tonnes/minute of dissolved salts and rock flour (very finely ground rock) generated by the erosive force of the Niagara River.
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The water is still fresh water and is perfectly safe. The colours come from natural elements the rushing waters pick up along their journey. The brown foam below the Niagara Falls waterfalls is that colour because of clay. Clay contains decayed vegetative matter, which is absorbed as the water travels.
People do not recommend swimming in the Niagara River, nor is it allowed in most areas. The river has strong currents, turbulent rapids, and unpredictable undertows, especially in the Lower Niagara River below Niagara Falls.
On August 18th 1954, teenagers, Ted Mercier, Joseph Hawryluk and Graham Scott swam across the Niagara River from the Canadian shore near Seneca Street to the American shore approximately 400 yards (the length of 4 football fields) downstream.
The fast-moving waters have strong currents that can quickly sweep even the strongest swimmers downstream. Moreover, the river is home to dangerous whirlpools, eddies, and rapids that can be deadly even for experienced swimmers. People do not recommend swimming in the Niagara River, nor is it allowed in most areas.
Under an international treaty, the flow of water over Niagara Falls is reduced during the night to allow more of the water to flow into intakes used for power generation. This plan ensures that the Falls' natural beauty remains unaffected during prime viewing hours.
From trophy trout and salmon to smallmouth bass and walleye, every species of fish that swims in the Great Lakes can be found in the waters around Niagara Falls USA. Book a charter, find a scenic stretch of shore or sign up for a derby — you're sure to find your own perfect watering hole.
The deepest section in the Niagara River is just below the falls. It is so deep that it equals the height of the falls above: 52 metres (170 ft.) The Upper Niagara River extends 35 kilometres (22 mi.) from Lake Erie to the Cascade Rapids, which begin 1 kilometre (0.6 mi.)
See Niagara Falls up close on a stunning boat cruise followed by a guided walking tour and visit to Journey Behind the Falls. Choose between our two morning tours for an unforgettable experience.
It's always free to walk into Niagara Falls State Park to see the Falls, and it's open 365 days a year! What many people are happy to discover, however, is that along with this majestic natural wonder, the Niagara Falls tours and activities that you can enjoy inside the park provide hours of added fun!
An area 12,300 years in the making, Niagara Falls is a natural wonder unlike any other. The history of Niagara Falls goes back thousands of years, to the Ice Age, when large torrents of water were released from the melting ice, draining into what is now known as the Niagara River.