Cape Perpetua
E101620
Cape Perpetua is a rugged headland on the central Oregon Coast known for its dramatic ocean views, tide pools, and striking rock formations like Thor's Well and the Spouting Horn.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Cape Perpetua Scenic Area | 11 |
| Cape Perpetua canonical | 7 |
| Cape Perpetua Visitor Center | 3 |
| Cape Perpetua Overlook | 1 |
| Cape Perpetua headland | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T842985 — 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 Perpetua Context triple: [Lincoln County, Oregon, containsLandmark, Cape Perpetua]
-
A.
Yaquina Head
Yaquina Head is a prominent basalt headland on the central Oregon coast, known for its historic lighthouse, rich marine wildlife, and tide pools within the Yaquina Head Outstanding Natural Area.
-
B.
Weetamoo Cliff
Weetamoo Cliff is a notable rocky outcrop and scenic viewpoint within the Lynn Woods Reservation in Lynn, Massachusetts.
-
C.
Cape Mendocino
Cape Mendocino is a remote, rugged headland on California’s northern coast known as the state’s westernmost point and a seismically active area influenced by major tectonic plate boundaries.
-
D.
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.
-
E.
Cathedral Rocks
Cathedral Rocks are a prominent granite rock formation in Yosemite National Park, known for their striking spires that frame the western side of Yosemite Valley.
- 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 Perpetua Target entity description: Cape Perpetua is a rugged headland on the central Oregon Coast known for its dramatic ocean views, tide pools, and striking rock formations like Thor's Well and the Spouting Horn.
-
A.
Yaquina Head
Yaquina Head is a prominent basalt headland on the central Oregon coast, known for its historic lighthouse, rich marine wildlife, and tide pools within the Yaquina Head Outstanding Natural Area.
-
B.
Weetamoo Cliff
Weetamoo Cliff is a notable rocky outcrop and scenic viewpoint within the Lynn Woods Reservation in Lynn, Massachusetts.
-
C.
Cape Mendocino
Cape Mendocino is a remote, rugged headland on California’s northern coast known as the state’s westernmost point and a seismically active area influenced by major tectonic plate boundaries.
-
D.
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.
-
E.
Cathedral Rocks
Cathedral Rocks are a prominent granite rock formation in Yosemite National Park, known for their striking spires that frame the western side of Yosemite Valley.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
cape
ⓘ
headland ⓘ |
| accessibleVia | U.S. Route 101 ⓘ |
| climate | marine west coast climate ⓘ |
| designatedAs | scenic area ⓘ |
| hasEcosystem |
rocky intertidal zone
ⓘ
temperate rainforest ⓘ |
| hasFacility |
campground
ⓘ
picnic areas ⓘ |
| hasFeature |
Cape Perpetua Scenic Area
ⓘ
linked to:
Cape Perpetua
Cape Perpetua Visitor Center ⓘ
linked to:
Cape Perpetua
Devil's Churn ⓘ Spouting Horn ⓘ Thor's Well ⓘ |
| hasHighestPointElevation |
247 meters
ⓘ
807 feet ⓘ |
| hasHistoricalUse | World War II coastal observation site ⓘ |
| hasInterpretivePrograms | ranger-led programs ⓘ |
| hasTrail |
Captain Cook Trail
ⓘ
Giant Spruce Trail ⓘ
linked to:
Whispering Spruce Trail
Saint Perpetua Trail ⓘ Whispering Spruce Trail ⓘ |
| hasVegetation |
Sitka spruce
ⓘ
western hemlock ⓘ |
| hasViewpoint |
Cape Perpetua Overlook
ⓘ
linked to:
Cape Perpetua
|
| hasWildlife |
gray whales
ⓘ
intertidal invertebrates ⓘ sea birds ⓘ |
| knownFor |
dramatic ocean views
ⓘ
rock formations ⓘ rugged shoreline ⓘ tide pools ⓘ |
| locatedIn |
Lane County, Oregon
ⓘ
Oregon ⓘ United States ⓘ
linked to:
United States of America
|
| locatedOn |
Oregon Coast
ⓘ
Pacific Ocean ⓘ |
| managedBy |
United States Forest Service
ⓘ
linked to:
U.S. Forest Service
|
| nearestCity | Yachats, Oregon ⓘ |
| offersActivity |
hiking
ⓘ
scenic driving ⓘ tidepooling ⓘ whale watching ⓘ |
| offersViewOf |
nearshore reefs
ⓘ
rocky coastline ⓘ |
| overlooks | Pacific Ocean ⓘ |
| partOf |
Cape Perpetua Scenic Area
ⓘ
linked to:
Cape Perpetua
Siuslaw National Forest ⓘ |
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 Perpetua Description of subject: Cape Perpetua is a rugged headland on the central Oregon Coast known for its dramatic ocean views, tide pools, and striking rock formations like Thor's Well and the Spouting Horn.
Referenced by (23)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua
subject linked to:
Spouting Horn
subject linked to:
Spouting Horn
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua
linked to: Cape Perpetua