The Humber River is one of two major rivers on either side of Toronto

Toronto

Toronto is the provincial capital of Ontario and the largest city in Canada. It is located in Southern Ontario on the northwestern shore of Lake Ontario. A relatively modern city, Toronto's history dates back to the late-18th century, when its land was first purchased by the British monarchy from...

, Ontario, Canada, the other being the Don River

Don River (Toronto)

The Don River is one of two rivers bounding the original settled area of Toronto, Ontario along the shore of Lake Ontario, the other being the Humber River to the west. The Don is formed from two rivers, the East and West Branches, that meet about north of Lake Ontario while flowing southward into...

 to the east. It was designated a Canadian Heritage River

Canadian Heritage Rivers System

The Canadian Heritage Rivers System was established in 1984 by the federal, provincial and territorial governments to conserve and protect the best examples of Canada's river heritage, to give them national recognition, and to encourage the public to enjoy and appreciate them. It is a cooperative...

 on September 24, 1999.

The Humber collects from about 750 creeks and tributaries in a fan-shaped area north of the city. One main branch runs for about 100 km from the Niagara Escarpment

Niagara Escarpment

The Niagara Escarpment is a long escarpment, or cuesta, in the United States and Canada that runs westward from New York State, through Ontario, Michigan, Wisconsin and Illinois...

 in the northwest, while the other major branch starts in the Lake St.