Cape Disappointment Lighthouse
E500128
Cape Disappointment Lighthouse is a historic 19th-century navigational beacon on the Pacific coast of Washington State, guarding the treacherous mouth of the Columbia River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cape Disappointment Lighthouse canonical | 3 |
| Cape Disappointment Light | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5178831 — 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: Cape Disappointment Lighthouse Context triple: [Long Beach Peninsula, hasLandmark, Cape Disappointment Lighthouse]
-
A.
Cape Meares Lighthouse
Cape Meares Lighthouse is a historic, cliff-top beacon on the northern Oregon Coast known for its distinctive short tower and panoramic views of the Pacific Ocean.
-
B.
Yaquina Bay Lighthouse
Yaquina Bay Lighthouse is a historic 19th-century coastal lighthouse in Newport, Oregon, notable for being one of the oldest standing structures on the Oregon coast and a popular tourist attraction.
-
C.
Yaquina Head Lighthouse
Yaquina Head Lighthouse is a historic, still-operating beacon near Newport that is the tallest lighthouse on the Oregon Coast and a popular coastal landmark.
-
D.
Cape Flattery Lighthouse
Cape Flattery Lighthouse is a historic beacon located on Tatoosh Island off the northwestern tip of Washington State, guiding ships near the entrance to the Strait of Juan de Fuca.
-
E.
Umpqua River Lighthouse
Umpqua River Lighthouse is a historic coastal beacon in Oregon known for its distinctive red-and-white flashing Fresnel lens and scenic views over the Pacific Ocean.
- 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: Cape Disappointment Lighthouse Target entity description: Cape Disappointment Lighthouse is a historic 19th-century navigational beacon on the Pacific coast of Washington State, guarding the treacherous mouth of the Columbia River.
-
A.
Cape Meares Lighthouse
Cape Meares Lighthouse is a historic, cliff-top beacon on the northern Oregon Coast known for its distinctive short tower and panoramic views of the Pacific Ocean.
-
B.
Yaquina Bay Lighthouse
Yaquina Bay Lighthouse is a historic 19th-century coastal lighthouse in Newport, Oregon, notable for being one of the oldest standing structures on the Oregon coast and a popular tourist attraction.
-
C.
Yaquina Head Lighthouse
Yaquina Head Lighthouse is a historic, still-operating beacon near Newport that is the tallest lighthouse on the Oregon Coast and a popular coastal landmark.
-
D.
Cape Flattery Lighthouse
Cape Flattery Lighthouse is a historic beacon located on Tatoosh Island off the northwestern tip of Washington State, guiding ships near the entrance to the Strait of Juan de Fuca.
-
E.
Umpqua River Lighthouse
Umpqua River Lighthouse is a historic coastal beacon in Oregon known for its distinctive red-and-white flashing Fresnel lens and scenic views over the Pacific Ocean.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
lighthouse ⓘ navigational aid ⓘ |
| 19thCenturyStructure | true ⓘ |
| access | hiking trail from Cape Disappointment State Park ⓘ |
| associatedWith |
Cape Disappointment State Park
ⓘ
linked to:
Cape Disappointment
Lewis and Clark National Historical Park ⓘ |
| bodyOfWater |
Columbia River
ⓘ
Pacific Ocean ⓘ |
| category |
Buildings and structures in Pacific County, Washington
ⓘ
Lighthouses in Washington (state) ⓘ Transportation infrastructure on the National Register of Historic Places in Washington (state) ⓘ |
| constructionStart | 1854 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| focalHeight | about 220 feet above sea level ⓘ |
| function | navigational beacon ⓘ |
| guardedArea | mouth of the Columbia River ⓘ |
| hazardArea | Graveyard of the Pacific ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| inception | 1856 ⓘ |
| knownFor |
being one of the oldest lighthouses on the U.S. West Coast
ⓘ
guarding the treacherous Columbia River bar ⓘ |
| languageOfName | English ⓘ |
| lightCharacteristic | flashing white light ⓘ |
| lightRange | approximately 17 nautical miles ⓘ |
| locatedIn |
Cape Disappointment State Park
ⓘ
linked to:
Cape Disappointment
Pacific County, Washington ⓘ Washington State ⓘ
linked to:
Washington
|
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedNear |
Ilwaco, Washington
ⓘ
mouth of the Columbia River ⓘ |
| locatedOn |
Cape Disappointment
ⓘ
Pacific coast of Washington ⓘ |
| managingAgent | United States Coast Guard ⓘ |
| marking | white tower with black horizontal band ⓘ |
| material |
brick
ⓘ
masonry ⓘ |
| namedAfter | Cape Disappointment ⓘ |
| NRHPType | contributing property in a historic district ⓘ |
| openToPublic | true ⓘ |
| operator | United States Coast Guard ⓘ |
| owner |
State of Washington (land)
ⓘ
linked to:
Washington State, United States
|
| purpose |
to guide maritime navigation
ⓘ
to warn ships of hazards at the Columbia River bar ⓘ |
| region | Pacific Northwest ⓘ |
| towerShape | conical tower ⓘ |
| yearLit | 1856 ⓘ |
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: Cape Disappointment Lighthouse Description of subject: Cape Disappointment Lighthouse is a historic 19th-century navigational beacon on the Pacific coast of Washington State, guarding the treacherous mouth of the Columbia River.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Cape Disappointment Lighthouse