Purisima Creek Redwoods Open Space Preserve
E251418
Purisima Creek Redwoods Open Space Preserve is a protected redwood forest and canyon park on the western slopes of the Santa Cruz Mountains in California, popular for its hiking and scenic coastal views.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Purisima Creek Redwoods Open Space Preserve canonical | 4 |
| Upper Purisima Creek Redwoods Open Space Preserve | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2148697 — 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: Purisima Creek Redwoods Open Space Preserve Context triple: [Santa Cruz Mountains, contains, Purisima Creek Redwoods Open Space Preserve]
-
A.
Prairie Creek Redwoods State Park
Prairie Creek Redwoods State Park is a protected area in Northern California renowned for its ancient coast redwood forests, lush fern canyons, and diverse wildlife.
-
B.
Redwood Regional Park
Redwood Regional Park is a large East Bay regional park in the Oakland hills known for its extensive redwood forests, hiking and biking trails, and scenic natural landscapes.
-
C.
Armstrong Redwoods State Natural Reserve
Armstrong Redwoods State Natural Reserve is a protected park in Northern California known for its towering ancient coast redwood trees and serene forest trails.
-
D.
Portola Redwoods State Park
Portola Redwoods State Park is a California state park known for its towering coast redwoods, lush forested canyons, and extensive hiking trails in the Santa Cruz Mountains.
-
E.
Big Basin Redwoods State Park
Big Basin Redwoods State Park is California’s oldest state park, renowned for its ancient coast redwood forests, extensive hiking trails, and scenic natural landscapes in the Santa Cruz Mountains.
- 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: Purisima Creek Redwoods Open Space Preserve Target entity description: Purisima Creek Redwoods Open Space Preserve is a protected redwood forest and canyon park on the western slopes of the Santa Cruz Mountains in California, popular for its hiking and scenic coastal views.
-
A.
Prairie Creek Redwoods State Park
Prairie Creek Redwoods State Park is a protected area in Northern California renowned for its ancient coast redwood forests, lush fern canyons, and diverse wildlife.
-
B.
Redwood Regional Park
Redwood Regional Park is a large East Bay regional park in the Oakland hills known for its extensive redwood forests, hiking and biking trails, and scenic natural landscapes.
-
C.
Armstrong Redwoods State Natural Reserve
Armstrong Redwoods State Natural Reserve is a protected park in Northern California known for its towering ancient coast redwood trees and serene forest trails.
-
D.
Portola Redwoods State Park
Portola Redwoods State Park is a California state park known for its towering coast redwoods, lush forested canyons, and extensive hiking trails in the Santa Cruz Mountains.
-
E.
Big Basin Redwoods State Park
Big Basin Redwoods State Park is California’s oldest state park, renowned for its ancient coast redwood forests, extensive hiking trails, and scenic natural landscapes in the Santa Cruz Mountains.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
open space preserve
ⓘ
park ⓘ protected area ⓘ redwood forest ⓘ |
| conservationPurpose |
protection of Purisima Creek watershed
ⓘ
protection of redwood forest habitat ⓘ provision of low-impact outdoor recreation ⓘ |
| hasAccessPoint |
Higgins Canyon Road
ⓘ
Skyline Boulevard (California State Route 35) ⓘ
linked to:
Highway 35 (Skyline Boulevard)
|
| hasEcosystem | coast redwood forest ⓘ |
| hasFeature |
Douglas-fir forest
ⓘ
Purisima Creek ⓘ coastal views ⓘ deep coastal canyon ⓘ mixed evergreen forest ⓘ second-growth redwoods ⓘ |
| hasPlant |
California bay laurel (Umbellularia californica)
ⓘ
Douglas-fir (Pseudotsuga menziesii) ⓘ
linked to:
Douglas fir
coast redwood (Sequoia sempervirens) ⓘ redwood sorrel ⓘ sword fern ⓘ tanoak (Notholithocarpus densiflorus) ⓘ |
| hasRecreationFacility |
parking lots at main trailheads
ⓘ
signed trail network ⓘ |
| hasRegulation |
day-use only
ⓘ
dogs not allowed on trails ⓘ no camping allowed ⓘ |
| hasTrailUse |
hiking only on some trails
ⓘ
multi-use trails for hikers, bicyclists, and equestrians ⓘ |
| hasWildlife |
banana slug
ⓘ
newt ⓘ various bird species ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
San Mateo County, California ⓘ United States ⓘ
linked to:
United States of America
|
| locatedOn | western slopes of the Santa Cruz Mountains ⓘ |
| managedBy | Midpeninsula Regional Open Space District ⓘ |
| near |
Half Moon Bay, California
ⓘ
Skyline Ridge of the Santa Cruz Mountains ⓘ
linked to:
Santa Cruz Mountains
|
| overlooks |
Half Moon Bay area
ⓘ
linked to:
Monterey Bay region
Pacific Ocean ⓘ |
| partOf |
Santa Cruz Mountains region
ⓘ
linked to:
Santa Cruz Mountains
|
| popularFor |
birdwatching
ⓘ
hiking ⓘ nature observation ⓘ trail running ⓘ |
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: Purisima Creek Redwoods Open Space Preserve Description of subject: Purisima Creek Redwoods Open Space Preserve is a protected redwood forest and canyon park on the western slopes of the Santa Cruz Mountains in California, popular for its hiking and scenic coastal views.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Woodside
Redwood forests of the Santa Cruz Mountains
→
containsProtectedArea
→
Upper Purisima Creek Redwoods Open Space Preserve
ⓘ
linked to: Purisima Creek Redwoods Open Space Preserve