Topic: Niagara

Niagara , river, 34 mi (55 km) long, issuing from Lake Erie between Buffalo, N.Y., and Fort Erie, Ont., Canada. It flows north around Grand Island and over Niagara Falls to Lake Ontario; the river forms part of the U.S.-Canadian border. The upper section of the river is navigable for c.20 mi (30 km) to a series of rapids above the falls; in its last 7 mi (11 km) it is again navigable, from Lewiston, N.Y., to Lake Ontario. The Erie Canal (part of the New York State Canal System enters the river at Tonawanda, N.Y.; the Welland Canal, several miles W on the Ontario side, is a lake-freighter... Read more