Waterways Management - Central region

St. Lawrence Waterways

St. Lawrence Waterways dynamic cartographic interface.

• VN200 - St. Lawrence Waterways

• VN200 - PDF format

• St. Lawrence Waterways Channel Bottom Conditions

Great Lakes Waterways

Great Lakes, St. Mary's River, St. Clair River and Detroit River Waterways dynamic cartographic.

• VN210 - Interactive map

• VN210 - PDF format

• Great Lakes Waterways Channel Bottom Conditions

VN301 - Directives for the Transit of Vessels

Directives for the transit of large scale and large length vessels in the St-Lawrence Waterway.

• VN301 - PDF format

• VN301 - Printable PDF format

• 27A Guidelines for the Transit of Wide Beam Vessels and Long Vessels

Under-Keel Clearance Table (UKC)

For Container Ships and Other Ships. (St. Lawrence River, Québec to Montréal)

• UKC - Container Ships

• UKC - Other Ships

• 27C Under Keel Clearance Table

Shoals in the Waterways

St. Lawrence River, St. Mary's River, St. Clair River and Detroit River.

• Download in Force Shoals

Water Level Forecasts - St. Lawrence Ship Channel

Water level forecasts and observations, including temperatures, tide and current tables for the central region.

Maintenance dredging services fees

Rates, fees and criteria.