Great Lakes–St. Lawrence system

E9202

drainage basin freshwater system inland waterway system

The Great Lakes–St. Lawrence system is a vast interconnected chain of freshwater lakes and the St. Lawrence River that forms one of the world’s largest inland waterways, linking the interior of North America to the Atlantic Ocean.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (56)

Label	Occurrences
Great Lakes–St. Lawrence Seaway system	33
Great Lakes–St. Lawrence River basin	28
St. Lawrence Seaway	19
Great Lakes–St. Lawrence River system	15
Great Lakes–St. Lawrence River drainage basin	11
St. Lawrence Seaway system	9
Great Lakes Basin	8
Great Lakes–St. Lawrence region	6
Great Lakes–St. Lawrence Seaway	5
Great Lakes–St. Lawrence waterway	5
Saint Lawrence Seaway	5
Great Lakes	4
Great Lakes navigation system	4
Great Lakes waterway system	4
Great Lakes–St. Lawrence River Basin	4
Great Lakes shipping routes	3
Great Lakes–St. Lawrence River watershed	3
Great Lakes–St. Lawrence Seaway System	2
Great Lakes–St. Lawrence basin	2
Great Lakes–St. Lawrence drainage basin	2
Great Lakes–St. Lawrence system canonical	2
Lower Great Lakes	2
Saint Lawrence River	2
St. Lawrence River system	2
Great Lakes and Atlantic Ocean	1
Great Lakes and St. Lawrence ecosystem	1
Great Lakes basin	1
Great Lakes freshwater ecosystem	1
Great Lakes navigational system	1
Great Lakes region waterways	1
Great Lakes shipping	1
Great Lakes shipping network	1
Great Lakes shipping route	1
Great Lakes–Atlantic Ocean shipping route	1
Great Lakes–Atlantic Ocean trade route	1
Great Lakes–Saint Lawrence Seaway region	1
Great Lakes–Saint Lawrence Seaway system	1
Great Lakes–St. Lawrence River hydrologic system	1
Great Lakes–St. Lawrence Seaway shipping corridor	1
Great Lakes–St. Lawrence Seaway trade	1
Great Lakes–St. Lawrence cross-border region	1
Great Lakes–St. Lawrence grain route	1
Great Lakes–St. Lawrence inland waterway network	1
Great Lakes–St. Lawrence waterway region	1
Great Lakes–St. Lawrence waterway system	1
Lake Ontario and the Saint Lawrence River	1
North American inland waterway system	1
Saint Lawrence River basin	1
Saint Lawrence River system	1
St. Lawrence River	1
St. Lawrence River watershed	1
St. Lawrence Seaway via Great Lakes	1
St. Lawrence Valley	1
St. Lawrence–Great Lakes waterway	1
U.S.-Canada Great Lakes routes	1
binational St. Lawrence Seaway system	1

How this entity was disambiguated

This entity first appeared as the object of triple T16887 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Great Lakes–St. Lawrence system
Context triple: [North America, hasNotableFeature, Great Lakes–St. Lawrence system]

A. Great Lakes
The Great Lakes are a chain of five vast freshwater lakes in North America that form the largest group of freshwater lakes on Earth by total area and are a critical hub for transportation, industry, and ecology.
B. Lake Ontario
Lake Ontario is one of North America's five Great Lakes, forming part of the border between the United States and Canada and serving as a key link in the Saint Lawrence River system.
C. Hudson River
The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
D. Erie Canal
The Erie Canal is a historic man-made waterway in New York State that opened in 1825, linking the Great Lakes to the Atlantic Ocean and transforming U.S. commerce and westward expansion.
E. Lake Erie
Lake Erie is one of North America's five Great Lakes, known for its relatively shallow depth, rich fisheries, and major role in regional shipping and recreation.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Great Lakes–St. Lawrence system
Target entity description: The Great Lakes–St. Lawrence system is a vast interconnected chain of freshwater lakes and the St. Lawrence River that forms one of the world’s largest inland waterways, linking the interior of North America to the Atlantic Ocean.

A. Great Lakes
The Great Lakes are a chain of five vast freshwater lakes in North America that form the largest group of freshwater lakes on Earth by total area and are a critical hub for transportation, industry, and ecology.
B. Lake Ontario
Lake Ontario is one of North America's five Great Lakes, forming part of the border between the United States and Canada and serving as a key link in the Saint Lawrence River system.
C. Hudson River
The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
D. Erie Canal
The Erie Canal is a historic man-made waterway in New York State that opened in 1825, linking the Great Lakes to the Atlantic Ocean and transforming U.S. commerce and westward expansion.
E. Lake Erie
Lake Erie is one of North America's five Great Lakes, known for its relatively shallow depth, rich fisheries, and major role in regional shipping and recreation.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	drainage basin ⓘ freshwater system ⓘ inland waterway system ⓘ
borderRegion	Canada–United States border region ⓘ surface form: United States–Canada border
connectsTo	Atlantic Ocean ⓘ
continent	North America ⓘ
drainageAreaCountry	Canada ⓘ United States of America ⓘ surface form: United States
drainsFrom	Lake Erie ⓘ Lake Huron ⓘ Lake Michigan ⓘ Lake Ontario ⓘ Lake Superior ⓘ
economicRole	agricultural export route ⓘ industrial transportation route ⓘ major shipping corridor ⓘ
environmentalIssue	habitat fragmentation ⓘ invasive aquatic species ⓘ pollution and eutrophication ⓘ
feature	locks and canals ⓘ navigation channels ⓘ
flowsInto	Gulf of St. Lawrence ⓘ
governedBy	binational agreements between United States and Canada ⓘ
hasSubregion	Great Lakes–St. Lawrence system self-linksurface differs ⓘ surface form: Lower Great Lakes Saint Lawrence River ⓘ surface form: St. Lawrence River corridor Great Lakes ⓘ surface form: Upper Great Lakes
includes	Great Lakes ⓘ Lake Erie ⓘ Lake Huron ⓘ Lake Michigan ⓘ Lake Ontario ⓘ Lake Superior ⓘ Saint Lawrence River ⓘ surface form: St. Lawrence River
linkedBy	Great Lakes–St. Lawrence system self-linksurface differs ⓘ surface form: Great Lakes–St. Lawrence Seaway
majorRiverMouth	St. Lawrence River mouth at Gulf of St. Lawrence ⓘ
outletOf	Great Lakes ⓘ surface form: Great Lakes Basin
passesThrough	Canada ⓘ United States of America ⓘ surface form: United States
primaryOutflow	Saint Lawrence River ⓘ surface form: St. Lawrence River
rank	one of the world’s largest inland waterways ⓘ
role	link between interior of North America and Atlantic Ocean ⓘ
supports	commercial navigation ⓘ fisheries ⓘ hydroelectric power generation ⓘ recreational boating ⓘ
usedFor	bulk cargo transport ⓘ grain export ⓘ iron ore and coal shipping ⓘ
waterType	predominantly freshwater ⓘ

How these facts were elicited

Referenced by (212)

Full triples — surface form annotated when it differs from this entity's canonical label.

North America → hasNotableFeature → Great Lakes–St. Lawrence system ⓘ

Lake Michigan → drainageVia → Great Lakes–St. Lawrence system ⓘ

this entity surface form: St. Lawrence River

Province of Quebec → keyRiver → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Saint Lawrence River

Adirondack Mountains → majorRiverSystems → Great Lakes–St. Lawrence system ⓘ

this entity surface form: St. Lawrence River watershed

Adirondack Mountains → adjacentTo → Great Lakes–St. Lawrence system ⓘ

this entity surface form: St. Lawrence Valley

Great Lakes → drainageBasin → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes Basin

Great Lakes → outflow → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Saint Lawrence River

Great Lakes → partOf → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence Seaway system

Lake Superior → isPartOfWaterway → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence Seaway

Great Lakes Works → hasPortAccess → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence Seaway system

Great Lakes Water Quality Agreement → appliesTo → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes Basin

Great Lakes Water Quality Agreement → geographicScope → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence River system

Saint Lawrence Seaway Development Corporation → usesWaterway → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Saint Lawrence Seaway

Saint Lawrence Seaway Development Corporation → usesWaterway → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence Seaway System

Saint Lawrence Seaway Development Corporation → connectsThroughOperations → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes

Lake Huron → drainageBasin → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes Basin

Straits of Mackinac → partOf → Great Lakes–St. Lawrence system ⓘ

this entity surface form: St. Lawrence Seaway system

Straits of Mackinac → ecoregion → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes freshwater ecosystem

Great Lakes–St. Lawrence River Basin Water Resources Compact → appliesToRegion → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence River Basin

Great Lakes–St. Lawrence River Basin Water Resources Compact → appliesToRegion → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes Basin

Lake Ontario → partOf → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Saint Lawrence River system

Lake Ontario → partOf → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence Seaway

Great Lakes–St. Lawrence system → linkedBy → Great Lakes–St. Lawrence system self-linksurface differs ⓘ

this entity surface form: Great Lakes–St. Lawrence Seaway

Great Lakes–St. Lawrence system → hasSubregion → Great Lakes–St. Lawrence system self-linksurface differs ⓘ

this entity surface form: Lower Great Lakes

Calumet River → isPartOf → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence Seaway system

Clinton's Ditch → relatedTo → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–Atlantic Ocean trade route

Rivière des Prairies → locatedInWaterSystem → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Saint Lawrence River basin

U.S. Steel Gary Works complex → hasTransportationLink → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes shipping

Port of Montreal → waterway → Great Lakes–St. Lawrence system ⓘ

this entity surface form: St. Lawrence Seaway

Port of Montreal → connectsTo → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes

Annex 5 Discharges from Vessels → geographicFocus → Great Lakes–St. Lawrence system ⓘ

International Joint Commission → operatesIn → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence River basin

Canada–United States border region → hasPart → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence cross-border region

St. Lawrence Seaway Management Corporation → partOf → Great Lakes–St. Lawrence system ⓘ

this entity surface form: St. Lawrence Seaway system

St. Lawrence Seaway Management Corporation → serves → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence Seaway shipping corridor

St. Lawrence Seaway Management Corporation → routeConnects → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes

St. Lawrence Seaway Management Corporation → isBinationalComponentOf → Great Lakes–St. Lawrence system ⓘ

this entity surface form: binational St. Lawrence Seaway system

SLSDC → operatesIn → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Saint Lawrence Seaway

SLSDC → operatesIn → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence Seaway System

SLSDC → transportCorridor → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–Atlantic Ocean shipping route

SLSDC → usesWaterway → Great Lakes–St. Lawrence system ⓘ

this entity surface form: St. Lawrence Seaway

Lake St. Clair → partOf → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes Basin

Lake St. Clair → partOf → Great Lakes–St. Lawrence system ⓘ

this entity surface form: St. Lawrence Seaway system

Saint Lawrence River → partOf → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence River system

Saint Lawrence River → hasCanalSystem → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Saint Lawrence Seaway

Thessalon River → drainageBasin → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes Basin

Sault Ste. Marie, Ontario, Canada → isPartOf → Great Lakes–St. Lawrence system ⓘ

subject surface form: Sault Ste. Marie, Ontario

this entity surface form: Great Lakes–St. Lawrence Seaway system

Round Island Lighthouse → partOf → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes navigational system

Great Lakes–St. Lawrence River Basin Sustainable Water Resources Agreement → jurisdiction → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence River Basin

Great Lakes–St. Lawrence River Basin Water Resources Council → appliesToJurisdiction → Great Lakes–St. Lawrence system ⓘ

this entity surface form: Great Lakes–St. Lawrence River Basin

All labels observed (56)

How this entity was disambiguated Show

Statements (49)

How these facts were elicited Show

Referenced by (212)

How this entity was disambiguated

How these facts were elicited