The St. Lawrence Seaway, from Montreal to
Lake Ontario, is a massive accumulation of
infrastructures such as dams, locks, channels, dikes and
bridges. The above two maps show major attributes of the
Seaway. Source: St. Lawrence Seaway Corporation for the
map and Lasserre (1980) for the table.
| Section |
Number of Locks |
Channel |
Canal |
| Lake Ontario to Prescott |
|
103 km |
|
| Prescott to Iroquois Lock |
|
17.7 km |
|
| Iroquois Lock to St. Lawrence Lake |
1 |
40.2 km |
1.6 km |
| Wiley-Dondero Canal to Lake St.
Francois |
2 |
58 km |
6.4 km |
| Beauharnois Canal |
|
22.5 km |
|
| Beauharnois Locks to Lake St. Louis |
2 |
21 km |
3.2 km |
| South Shore Canal |
2 |
|
29
km |
| Total |
7 |
262.4
km |
40.2
km |
|
