Port of Duluth Superior freight snapshot
Duluth Superior freight gateway profile for Great Lakes bulk cargo and grain.
Port of Duluth Superior is tracked as a freight gateway for Great Lakes bulk cargo and grain.
This page is designed to pair fixed port context with time-sensitive national signals such as marine weather, inland corridor disruption and port-statistics source notes.
Use the map view to compare this gateway with road corridors, inland markets and air-cargo nodes that may shape the wider movement of goods.
A twin port shared between Duluth, Minnesota and Superior, Wisconsin.
Iron ore from Minnesota's Iron Range moves through its docks to Great Lakes steel mills.
The winter closure of the Soo Locks pauses most shipping for roughly two to three months each year.
Duluth Superior on the freight map
Port of Duluth-Superior facts
| Official name | Port of Duluth-Superior |
|---|---|
| Gateway role | Duluth-Superior is the largest port on the Great Lakes by tonnage, shipping iron ore and grain from the head of Lake Superior. |
| Location | Duluth, Minnesota |
| Coast | Great Lakes |
| Waterway | Lake Superior at the St. Louis River estuary |
| Cargo focus | iron ore, grain, coal, limestone |
| Nearby tracked corridors | I-35 |
Common questions
Where is the Port of Duluth-Superior?
It is in Duluth, Minnesota, on Lake Superior at the St. Louis River estuary, part of the Great Lakes gateway system.
What cargo moves through Duluth Superior?
The port is known for iron ore, grain, coal, limestone. A twin port shared between Duluth, Minnesota and Superior, Wisconsin.
Does this page show live vessel positions?
No. Comprehensive live AIS vessel tracking needs a licensed feed. This page shows the port location, nearby corridors, live weather alerts for the region and guidance on how to interpret the public data.