SUDBURY, ONTARIO, a post town and outport of Nipissing district, Ontario, Canada, on the Canadian Pacific railway, 443 m. W. of Montreal. Pop. (1901), 2027. It has manufactures of explosives, lumber and planing mills, and is the largest nickel mining centre in the world. gold, copper and other minerals are also raisedPractically all the ore is shipped to the United States.