List of crossings of the St. Lawrence River and the Great Lakes

This is a list of bridges, ferries, and other crossings of the Gulf of St. Lawrence, Saint Lawrence River, and Great Lakes, by order of south shore terminal running from the Gulf of Saint Lawrence upstream to Lake Superior.

Key: Communities linked by individual crossings
(N) or (E): North- or East-shore terminal (mainland) (I): Island served by the crossing (S) or (W): South- or West-shore terminal (mainland)