This week we’re looking at Lake Ontario, the smallest of the Great Lakes by surface area. The lake’s primary source is the Niagara River, draining Lake Erie, with the St. Lawrence River serving as the outlet. Other major rivers draining into Lake Ontario include the Don River, the Humber River, the Trent River, the Cataraqui River, the Genesee River, the Oswego River, the Black River, and the Salmon River. […]