Hayes, river, c.300 mi (480 km) long, rising in a lake NE of Lake Winnipeg, central Manitoba, Canada, and flowing NE to Hudson Bay. It was the chief route used by Hudson's Bay Company traders from Hudson Bay to Lake Winnipeg and the interior; York Factory, an important establishment of the company, is at its mouth.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.