Cape Disappointment

E115721

cape geographic feature headland

Cape Disappointment is a rugged headland on the Pacific coast of Washington State, known for its historic lighthouse, treacherous waters at the mouth of the Columbia River, and role in the Lewis and Clark Expedition.

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All labels observed (4)

Label	Occurrences
Cape Disappointment State Park	6
Cape Disappointment canonical	1
Cape Disappointment Light	1
Fort Cape Disappointment	1

How this entity was disambiguated

This entity first appeared as the object of triple T904966 — 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
Context triple: [Pacific County, Washington, containsGeographicFeature, Cape Disappointment]

A. Yaquina Bay
Yaquina Bay is a coastal estuary on the central Oregon coast known for its rich marine ecosystems, fisheries, and role as a hub for marine research and recreation.
B. Cape Meares State Scenic Viewpoint
Cape Meares State Scenic Viewpoint is a coastal Oregon state park known for its historic lighthouse, dramatic ocean cliffs, and wildlife viewing opportunities.
C. Tillamook Bay
Tillamook Bay is a shallow estuarine bay on the northern Oregon coast known for its rich fisheries, crabbing, and surrounding dairy and forested landscapes.
D. Juan de Fuca Plate
The Juan de Fuca Plate is a small oceanic tectonic plate off the Pacific Northwest coast whose subduction beneath North America drives significant volcanic and seismic activity in the region.
E. Nehalem Bay
Nehalem Bay is a coastal inlet on the northern Oregon coast known for its scenic beaches, estuarine wildlife, and recreational activities such as fishing, crabbing, and boating.
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
Target entity description: Cape Disappointment is a rugged headland on the Pacific coast of Washington State, known for its historic lighthouse, treacherous waters at the mouth of the Columbia River, and role in the Lewis and Clark Expedition.

A. Yaquina Bay
Yaquina Bay is a coastal estuary on the central Oregon coast known for its rich marine ecosystems, fisheries, and role as a hub for marine research and recreation.
B. Cape Meares State Scenic Viewpoint
Cape Meares State Scenic Viewpoint is a coastal Oregon state park known for its historic lighthouse, dramatic ocean cliffs, and wildlife viewing opportunities.
C. Tillamook Bay
Tillamook Bay is a shallow estuarine bay on the northern Oregon coast known for its rich fisheries, crabbing, and surrounding dairy and forested landscapes.
D. Juan de Fuca Plate
The Juan de Fuca Plate is a small oceanic tectonic plate off the Pacific Northwest coast whose subduction beneath North America drives significant volcanic and seismic activity in the region.
E. Nehalem Bay
Nehalem Bay is a coastal inlet on the northern Oregon coast known for its scenic beaches, estuarine wildlife, and recreational activities such as fishing, crabbing, and boating.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	cape ⓘ geographic feature ⓘ headland ⓘ
formsPartOf	Long Beach Peninsula ⓘ
hasClimate	marine west coast climate ⓘ
hasCoordinateLatitude	46.278 ⓘ
hasCoordinateLongitude	-124.053 ⓘ
hasFeature	dense coastal forest ⓘ rocky shoreline ⓘ steep cliffs ⓘ
hasFormerInstallation	Fort Canby ⓘ
hasHighestElevation	about 255 feet ⓘ
hasLighthouse	Cape Disappointment self-linksurface differs ⓘ surface form: Cape Disappointment Light North Head Light ⓘ
hasMilitaryHistory	site of former coastal defense installations ⓘ
hasNameOrigin	named by British fur trader John Meares ⓘ
hasNearbyMuseum	Lewis and Clark National Historical Park ⓘ surface form: Lewis and Clark Interpretive Center
hasNearbySettlement	Ilwaco, Washington ⓘ
hasNickname	Graveyard of the Pacific ⓘ surface form: Graveyard of the Pacific (regionally, due to shipwrecks)
hasViewOf	Columbia River ⓘ Long Beach Peninsula ⓘ Pacific Ocean ⓘ
isKnownAs	one of the most dangerous river bars in the world (via Columbia River Bar) ⓘ
isKnownFor	historic lighthouse ⓘ role in the Lewis and Clark Expedition ⓘ rugged headland ⓘ treacherous waters ⓘ
isManagedBy	Washington State Parks and Recreation Commission ⓘ
isNear	Columbia River Bar ⓘ
isPartOf	Cape Disappointment self-linksurface differs ⓘ surface form: Cape Disappointment State Park
isProtectedAreaWithin	Lewis and Clark National Historical Park ⓘ surface form: Lewis and Clark National Historical Park (component unit via state park)
isWithin	Cape Disappointment self-linksurface differs ⓘ surface form: Cape Disappointment State Park
locatedIn	Pacific County, Washington ⓘ Pacific Northwest ⓘ United States of America ⓘ surface form: United States Washington ⓘ surface form: Washington State
locatedNear	mouth of the Columbia River ⓘ
locatedOn	Pacific Ocean ⓘ
nameReason	Meares’s disappointment at failing to find the Columbia River ⓘ
supportsActivity	birdwatching ⓘ hiking ⓘ lighthouse viewing ⓘ storm watching ⓘ
wasNamedInYear	1788 ⓘ
wasReachedBy	Meriwether Lewis ⓘ William Clark ⓘ
wasReachedInYear	1805 ⓘ
wasVisitedBy	Lewis and Clark Expedition ⓘ

How these facts were elicited