California Coastal National Monument (Point Arena-Stornetta Unit)

E415105

national monument unit protected area

California Coastal National Monument (Point Arena-Stornetta Unit) is a protected stretch of rugged Northern California coastline near Point Arena, known for its dramatic sea cliffs, offshore rocks, coastal bluffs, and rich marine and bird life.

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All labels observed (2)

Label	Occurrences
California Coastal National Monument	2
California Coastal National Monument (Point Arena-Stornetta Unit) canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T4142450 — 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: California Coastal National Monument (Point Arena-Stornetta Unit)
Context triple: [Point Arena, hasNearbyProtectedArea, California Coastal National Monument (Point Arena-Stornetta Unit)]

A. Mendocino Headlands State Park
Mendocino Headlands State Park is a coastal California state park known for its dramatic ocean bluffs, scenic trails, and views surrounding the historic village of Mendocino.
B. 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.
C. 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.
D. Sonoma Coast State Park
Sonoma Coast State Park is a scenic California state park known for its rugged Pacific coastline, sandy beaches, and coastal bluffs along the western edge of Sonoma County.
E. Del Norte Coast Redwoods State Park
Del Norte Coast Redwoods State Park is a protected coastal forest park in Northern California renowned for its towering old-growth redwoods, rugged Pacific shoreline, and scenic hiking trails.
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: California Coastal National Monument (Point Arena-Stornetta Unit)
Target entity description: California Coastal National Monument (Point Arena-Stornetta Unit) is a protected stretch of rugged Northern California coastline near Point Arena, known for its dramatic sea cliffs, offshore rocks, coastal bluffs, and rich marine and bird life.

A. Mendocino Headlands State Park
Mendocino Headlands State Park is a coastal California state park known for its dramatic ocean bluffs, scenic trails, and views surrounding the historic village of Mendocino.
B. 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.
C. 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.
D. Sonoma Coast State Park
Sonoma Coast State Park is a scenic California state park known for its rugged Pacific coastline, sandy beaches, and coastal bluffs along the western edge of Sonoma County.
E. Del Norte Coast Redwoods State Park
Del Norte Coast Redwoods State Park is a protected coastal forest park in Northern California renowned for its towering old-growth redwoods, rugged Pacific shoreline, and scenic hiking trails.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	national monument unit ⓘ protected area ⓘ
access	public ⓘ
adjacentTo	Pacific Ocean ⓘ Point Arena Lighthouse area ⓘ linked to: Point Arena Lighthouse
category	Bureau of Land Management area in California ⓘ coastal protected area in California ⓘ
conservationPurpose	protection of coastal landscapes ⓘ protection of marine habitats ⓘ protection of seabird nesting areas ⓘ
country	United States of America ⓘ
designation	federal public land ⓘ unit of California Coastal National Monument ⓘ
ecosystemType	coastal marine ecosystem ⓘ coastal prairie ⓘ wetlands ⓘ
governingBody	U.S. Department of the Interior ⓘ linked to: United States Department of the Interior
hasViewOf	Point Arena Lighthouse ⓘ
knownFor	dramatic ocean views ⓘ migratory whale viewing ⓘ offshore sea stacks ⓘ rich marine life ⓘ rugged coastline ⓘ seabird habitat ⓘ
locatedIn	Mendocino County, California NERFINISHED ⓘ Northern California ⓘ
managingAgency	Bureau of Land Management ⓘ linked to: U.S. Bureau of Land Management
nearestCity	Point Arena, California ⓘ linked to: Point Arena
ownership	federal government of the United States ⓘ linked to: United States government
partOf	California Coastal National Monument ⓘ linked to: California Coastal National Monument (Point Arena-Stornetta Unit)
partOfRegion	California North Coast ⓘ linked to: North Coast of California
protects	coastal plant communities ⓘ intertidal invertebrates ⓘ marine mammals ⓘ seabirds ⓘ
recreationalActivity	birdwatching ⓘ hiking ⓘ photography ⓘ wildlife viewing ⓘ
state	California ⓘ linked to: California, United States
terrainFeature	coastal bluffs ⓘ coastal meadows ⓘ intertidal zone ⓘ offshore rocks ⓘ sea cliffs ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Point Arena → hasNearbyProtectedArea → California Coastal National Monument (Point Arena-Stornetta Unit) ⓘ

California coast → hasProtectedArea → California Coastal National Monument ⓘ

linked to: California Coastal National Monument (Point Arena-Stornetta Unit)

California Coastal National Monument (Point Arena-Stornetta Unit) → partOf → California Coastal National Monument ⓘ