Marin Headlands
E177980
Marin Headlands is a scenic coastal area in Marin County, California, known for its dramatic cliffs, historic military sites, and panoramic views of the Golden Gate Bridge and San Francisco Bay.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T1559807 — 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: Marin Headlands Context triple: [Golden Gate National Recreation Area, hasPart, Marin Headlands]
-
A.
Crissy Field
Crissy Field is a restored former airfield and popular waterfront park in San Francisco offering beaches, trails, and views of the Golden Gate Bridge.
-
B.
Tomales Point
Tomales Point is a scenic, windswept peninsula at the northern tip of Point Reyes in California, known for its coastal cliffs, tule elk reserve, and panoramic ocean views.
-
C.
Palo Alto Baylands Nature Preserve
Palo Alto Baylands Nature Preserve is a large coastal wetland and wildlife habitat on the San Francisco Bay, known for its tidal marshes, migratory bird populations, and extensive walking and biking trails.
-
D.
Point Reyes National Seashore
Point Reyes National Seashore is a protected coastal park in Northern California known for its rugged cliffs, beaches, wildlife, and scenic hiking trails along the Pacific Ocean.
-
E.
Point Lobos State Natural Reserve
Point Lobos State Natural Reserve is a renowned coastal protected area in California famous for its dramatic ocean vistas, rich marine life, and scenic hiking trails along the Monterey Peninsula.
- 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: Marin Headlands Target entity description: Marin Headlands is a scenic coastal area in Marin County, California, known for its dramatic cliffs, historic military sites, and panoramic views of the Golden Gate Bridge and San Francisco Bay.
-
A.
Crissy Field
Crissy Field is a restored former airfield and popular waterfront park in San Francisco offering beaches, trails, and views of the Golden Gate Bridge.
-
B.
Tomales Point
Tomales Point is a scenic, windswept peninsula at the northern tip of Point Reyes in California, known for its coastal cliffs, tule elk reserve, and panoramic ocean views.
-
C.
Palo Alto Baylands Nature Preserve
Palo Alto Baylands Nature Preserve is a large coastal wetland and wildlife habitat on the San Francisco Bay, known for its tidal marshes, migratory bird populations, and extensive walking and biking trails.
-
D.
Point Reyes National Seashore
Point Reyes National Seashore is a protected coastal park in Northern California known for its rugged cliffs, beaches, wildlife, and scenic hiking trails along the Pacific Ocean.
-
E.
Point Lobos State Natural Reserve
Point Lobos State Natural Reserve is a renowned coastal protected area in California famous for its dramatic ocean vistas, rich marine life, and scenic hiking trails along the Monterey Peninsula.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
coastal headland
ⓘ
recreational area ⓘ |
| accessedVia |
Golden Gate Bridge
ⓘ
U.S. Route 101 ⓘ |
| borderedBy | Pacific Ocean ⓘ |
| climate | Mediterranean with strong marine influence ⓘ |
| contains |
coastal scrub habitat
ⓘ
grassland habitat ⓘ marine-influenced ecosystems ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| eraOfMajorFortification |
Cold War
ⓘ
World War II ⓘ |
| hasPart |
Battery Spencer
ⓘ
Fort Cronkhite ⓘ Hawk Hill ⓘ Marin Headlands Visitor Center ⓘ
linked to:
Marin Headlands
Marine Mammal Center ⓘ Nike Missile Site SF-88 ⓘ Point Bonita Lighthouse ⓘ Rodeo Beach ⓘ |
| historicalUse |
coastal defense site
ⓘ
military installation area ⓘ |
| knownFor |
foggy coastal climate
ⓘ
hiking trails ⓘ historic military fortifications ⓘ panoramic views of San Francisco ⓘ scenic coastal cliffs ⓘ views of the Golden Gate Bridge ⓘ wildlife viewing ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Marin County, California ⓘ
linked to:
Marin County
San Francisco Bay Area ⓘ |
| managedBy | National Park Service ⓘ |
| nearestCity |
Sausalito, California
ⓘ
linked to:
Sausalito
|
| nearestMajorCity | San Francisco, California ⓘ |
| overlooks |
Golden Gate Bridge
ⓘ
San Francisco Bay ⓘ |
| partOf |
Golden Gate National Parks Conservancy project area
ⓘ
linked to:
Golden Gate National Parks Conservancy
Golden Gate National Recreation Area ⓘ |
| popularFor |
landscape photography
ⓘ
sunset viewing ⓘ viewing fall raptor migration at Hawk Hill ⓘ |
| usedFor |
biking
ⓘ
birdwatching ⓘ hiking ⓘ recreation ⓘ surfing at nearby beaches ⓘ |
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: Marin Headlands Description of subject: Marin Headlands is a scenic coastal area in Marin County, California, known for its dramatic cliffs, historic military sites, and panoramic views of the Golden Gate Bridge and San Francisco Bay.
Referenced by (67)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Marin Headlands
linked to: Marin Headlands
linked to: Marin Headlands
subject linked to:
Outer Richmond neighborhood
subject linked to:
Lands End area
linked to: Marin Headlands
subject linked to:
Angel Island (across Raccoon Strait)