Piedras Blancas Light Station
E612209
Piedras Blancas Light Station is a historic lighthouse and coastal wildlife viewing area on California’s central coast, known for its scenic ocean vistas and nearby elephant seal rookery.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Piedras Blancas Light Station canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6681805 — 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: Piedras Blancas Light Station Context triple: [San Simeon, hasNearbyAttraction, Piedras Blancas Light Station]
-
A.
Boca Chita Lighthouse
Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
-
B.
Point Pinos Lighthouse
Point Pinos Lighthouse is a historic, still-operating 19th-century lighthouse on the Monterey Peninsula, known as the oldest continuously active lighthouse on the U.S. West Coast.
-
C.
Thacher Island Light Station
Thacher Island Light Station is a historic dual-lighthouse complex off the coast of Rockport, Massachusetts, known for its twin granite towers that have long served as navigational aids to mariners.
-
D.
Cape Blanco Lighthouse
Cape Blanco Lighthouse is a historic, still-operating beacon perched on the westernmost point of Oregon, guiding ships along the rugged Pacific coastline.
-
E.
Culebrita Lighthouse
Culebrita Lighthouse is a historic 19th-century Spanish-era lighthouse located on the small island of Culebrita off Puerto Rico, known for guiding ships through the Virgin Passage and for its scenic, now-ruined structure.
- 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: Piedras Blancas Light Station Target entity description: Piedras Blancas Light Station is a historic lighthouse and coastal wildlife viewing area on California’s central coast, known for its scenic ocean vistas and nearby elephant seal rookery.
-
A.
Boca Chita Lighthouse
Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
-
B.
Point Pinos Lighthouse
Point Pinos Lighthouse is a historic, still-operating 19th-century lighthouse on the Monterey Peninsula, known as the oldest continuously active lighthouse on the U.S. West Coast.
-
C.
Thacher Island Light Station
Thacher Island Light Station is a historic dual-lighthouse complex off the coast of Rockport, Massachusetts, known for its twin granite towers that have long served as navigational aids to mariners.
-
D.
Cape Blanco Lighthouse
Cape Blanco Lighthouse is a historic, still-operating beacon perched on the westernmost point of Oregon, guiding ships along the rugged Pacific coastline.
-
E.
Culebrita Lighthouse
Culebrita Lighthouse is a historic 19th-century Spanish-era lighthouse located on the small island of Culebrita off Puerto Rico, known for guiding ships through the Virgin Passage and for its scenic, now-ruined structure.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
lighthouse ⓘ wildlife viewing area ⓘ |
| access | by guided tour only ⓘ |
| category |
Lighthouses in California
ⓘ
Protected areas of San Luis Obispo County, California ⓘ Tourist attractions in San Luis Obispo County, California ⓘ |
| constructionStartDate | 1874 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasFeature |
coastal bluffs
ⓘ
historic lighthouse tower ⓘ scenic ocean vistas ⓘ wildlife viewing platforms ⓘ |
| hasViewOf |
Pacific coastline
ⓘ
rocky offshore islets ⓘ |
| hasWildlife |
northern elephant seals
ⓘ
sea lions ⓘ seabirds ⓘ shorebirds ⓘ |
| heritageDesignation | historic lighthouse ⓘ |
| knownFor |
coastal wildlife observation
ⓘ
elephant seal viewing ⓘ historic maritime navigation role ⓘ |
| lightCharacteristic | flashing white light ⓘ |
| listedOn | National Register of Historic Places ⓘ |
| locatedAlong | California State Route 1 ⓘ |
| locatedIn |
San Luis Obispo County, California
ⓘ
linked to:
San Luis Obispo County
|
| locatedNear |
Piedras Blancas elephant seal rookery
ⓘ
San Simeon, California ⓘ |
| locatedOnCoastOf | Pacific Ocean ⓘ |
| managedBy |
Bureau of Land Management
ⓘ
linked to:
U.S. Bureau of Land Management
|
| nearbyProtectedArea | Piedras Blancas Outstanding Natural Area ⓘ |
| NRHPType | historic district ⓘ |
| openingDate | 1875 ⓘ |
| ownedBy |
United States federal government
ⓘ
linked to:
United States government
|
| partOf |
California Central Coast
ⓘ
linked to:
Central Coast of California
|
| purpose | aid to navigation ⓘ |
| region | Central Coast of California ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| tourismActivity |
birdwatching
ⓘ
guided tours ⓘ hiking ⓘ wildlife photography ⓘ |
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: Piedras Blancas Light Station Description of subject: Piedras Blancas Light Station is a historic lighthouse and coastal wildlife viewing area on California’s central coast, known for its scenic ocean vistas and nearby elephant seal rookery.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.