There are bodies of water in Ontario.
Ontario . Ontario is bordered by the province of Manitoba to the west , Hudson Bay and James Bay to the north , and Quebec to the east and northeast , and to the south by the U.S. states of ( from west to east ) Minnesota , Michigan , Ohio , Pennsylvania and New York . Almost all of Ontario 's 2700 km border with the United States follows inland waterways : from the west at Lake of the Woods , eastward along the major rivers and lakes of the Great Lakes/Saint Lawrence River drainage system .