Grand Haven lighthouse
E611637
The Grand Haven lighthouse is a historic red pierhead light on Lake Michigan in Grand Haven, Michigan, known for its scenic lakeside setting and iconic appearance along the Grand Haven South Pier.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Grand Haven South Pierhead Outer Light | 3 |
| Grand Haven lighthouse canonical | 2 |
| Grand Haven South Pierhead Entrance Light | 1 |
| Grand Haven pier | 1 |
| Grand Haven pier and lighthouse | 1 |
| Lake Michigan lighthouse | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6679150 — 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: Grand Haven lighthouse Context triple: [Grand Haven State Park, hasViewOf, Grand Haven lighthouse]
-
A.
Grosse Point Lighthouse
Grosse Point Lighthouse is a historic 19th-century lighthouse on the shore of Lake Michigan, notable for guiding ships into the Chicago area and now serving as a preserved landmark and museum.
-
B.
Marquette Harbor Lighthouse
Marquette Harbor Lighthouse is a historic red-brick navigational beacon on Lake Superior that has guided ships into Marquette, Michigan’s harbor since the 19th century.
-
C.
Fort Gratiot Lighthouse
Fort Gratiot Lighthouse is the oldest operating lighthouse in Michigan, standing at the entrance to the St. Clair River on Lake Huron and serving as a historic maritime landmark.
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D.
Muskegon South Pierhead Light
Muskegon South Pierhead Light is a historic red lighthouse on Lake Michigan in Muskegon, Michigan, guiding vessels at the entrance to Muskegon Lake.
-
E.
Old Mackinac Point Lighthouse
Old Mackinac Point Lighthouse is a historic navigational beacon and museum located at the northern tip of Michigan’s Lower Peninsula, overlooking the Mackinac Bridge and the Straits of Mackinac.
- 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: Grand Haven lighthouse Target entity description: The Grand Haven lighthouse is a historic red pierhead light on Lake Michigan in Grand Haven, Michigan, known for its scenic lakeside setting and iconic appearance along the Grand Haven South Pier.
-
A.
Grosse Point Lighthouse
Grosse Point Lighthouse is a historic 19th-century lighthouse on the shore of Lake Michigan, notable for guiding ships into the Chicago area and now serving as a preserved landmark and museum.
-
B.
Marquette Harbor Lighthouse
Marquette Harbor Lighthouse is a historic red-brick navigational beacon on Lake Superior that has guided ships into Marquette, Michigan’s harbor since the 19th century.
-
C.
Fort Gratiot Lighthouse
Fort Gratiot Lighthouse is the oldest operating lighthouse in Michigan, standing at the entrance to the St. Clair River on Lake Huron and serving as a historic maritime landmark.
-
D.
Muskegon South Pierhead Light
Muskegon South Pierhead Light is a historic red lighthouse on Lake Michigan in Muskegon, Michigan, guiding vessels at the entrance to Muskegon Lake.
-
E.
Old Mackinac Point Lighthouse
Old Mackinac Point Lighthouse is a historic navigational beacon and museum located at the northern tip of Michigan’s Lower Peninsula, overlooking the Mackinac Bridge and the Straits of Mackinac.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
lighthouse
ⓘ
navigational aid ⓘ pierhead light ⓘ |
| accessibleFrom | Grand Haven South Pier walkway NERFINISHED ⓘ |
| associatedWith |
Grand Haven North Pierhead Inner Light
NERFINISHED
ⓘ
Grand Haven North Pierhead Outer Light NERFINISHED ⓘ |
| color | red ⓘ |
| connectedTo | Grand Haven South Pier catwalk NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Ottawa County, Michigan NERFINISHED ⓘ |
| function | aid to navigation ⓘ |
| hasFeature |
catwalk extending along the pier
ⓘ
red cylindrical tower with lantern ⓘ |
| heritageStatus | historic lighthouse ⓘ |
| knownFor |
iconic appearance
ⓘ
scenic lakeside setting ⓘ tourist attraction ⓘ |
| lightCharacteristic | flashing red light (historically) ⓘ |
| locatedIn | Grand Haven, Michigan NERFINISHED ⓘ |
| locatedOnStructure | Grand Haven South Pier NERFINISHED ⓘ |
| locatedOnWaterbody | Lake Michigan NERFINISHED ⓘ |
| material | steel ⓘ |
| near |
Grand Haven State Park
NERFINISHED
ⓘ
Grand Haven beach NERFINISHED ⓘ |
| operator | City of Grand Haven NERFINISHED ⓘ |
| owner | City of Grand Haven NERFINISHED ⓘ |
| partOf | Grand Haven South Pierhead Lights NERFINISHED ⓘ |
| photographedAs | sunset silhouette ⓘ |
| previousOperator | United States Coast Guard NERFINISHED ⓘ |
| region | West Michigan NERFINISHED ⓘ |
| shape | cylindrical tower ⓘ |
| situatedAt | mouth of the Grand River ⓘ |
| state |
Michigan (most of state)
ⓘ
surface form:
Michigan
|
| subjectOf |
local tourism promotions
ⓘ
postcards and travel photography ⓘ |
| tourismType | lighthouse tourism ⓘ |
| usedFor |
guiding vessels on Lake Michigan
ⓘ
marking entrance to Grand Haven harbor ⓘ |
| waterway | Grand River (Michigan) NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Grand Haven lighthouse Description of subject: The Grand Haven lighthouse is a historic red pierhead light on Lake Michigan in Grand Haven, Michigan, known for its scenic lakeside setting and iconic appearance along the Grand Haven South Pier.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Grand Haven South Pierhead Outer Light
this entity surface form:
Grand Haven pier
this entity surface form:
Grand Haven pier and lighthouse
this entity surface form:
Grand Haven South Pierhead Outer Light
this entity surface form:
Lake Michigan lighthouse
this entity surface form:
Grand Haven South Pierhead Entrance Light
this entity surface form:
Grand Haven South Pierhead Outer Light