St. Clair

a lake in North America, in the Great Lakes system, situated between Lakes Huron and Erie. Lake St. Clair forms a border between the USA and Canada. Its area is 1,200 sq km, and its depth 7 m. A fairway 7.6 m deep extends along the lake from the mouth of the St. Clair River to the source of the Detroit River and forms a link of the Great Lakes waterway. The cities of Detroit (USA) and Windsor (Canada) are situated at the source of the Detroit River.

a river in North America, in the Great Lakes system. The St. Clair flows out of Lake Huron and empties into Lake St. Clair; it forms a border between the USA and Canada. The river is 43 km long; its mean annual flow rate is 5,270 cu m per sec. The St. Clair is a link of the Great Lakes waterway. The cities of Port Huron (USA) and Sarnia (Canada) are situated at the river’s source.