South Yuba River State Park
E126253
South Yuba River State Park is a California state park known for its scenic river canyons, historic bridges and mining sites, and extensive hiking and swimming opportunities along the South Yuba River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Yuba River State Park canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T937544 — 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: South Yuba River State Park Context triple: [Nevada County, California, contains, South Yuba River State Park]
-
A.
Russian Gulch State Park
Russian Gulch State Park is a scenic California coastal park known for its rugged shoreline, forested canyons, waterfall, and oceanfront trails near Mendocino.
-
B.
Henry W. Coe State Park
Henry W. Coe State Park is a vast, rugged wilderness park in California known for its extensive backcountry, challenging trails, and diverse wildlife and landscapes.
-
C.
Tuolumne Meadows
Tuolumne Meadows is a high-elevation subalpine meadow in California’s Sierra Nevada, renowned for its expansive grasslands, granite domes, and access to popular hiking and climbing routes.
-
D.
Pfeiffer Big Sur State Park
Pfeiffer Big Sur State Park is a popular California state park known for its dramatic coastal redwood forests, rugged canyons, and scenic hiking trails along the Big Sur coast.
-
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: South Yuba River State Park Target entity description: South Yuba River State Park is a California state park known for its scenic river canyons, historic bridges and mining sites, and extensive hiking and swimming opportunities along the South Yuba River.
-
A.
Russian Gulch State Park
Russian Gulch State Park is a scenic California coastal park known for its rugged shoreline, forested canyons, waterfall, and oceanfront trails near Mendocino.
-
B.
Henry W. Coe State Park
Henry W. Coe State Park is a vast, rugged wilderness park in California known for its extensive backcountry, challenging trails, and diverse wildlife and landscapes.
-
C.
Tuolumne Meadows
Tuolumne Meadows is a high-elevation subalpine meadow in California’s Sierra Nevada, renowned for its expansive grasslands, granite domes, and access to popular hiking and climbing routes.
-
D.
Pfeiffer Big Sur State Park
Pfeiffer Big Sur State Park is a popular California state park known for its dramatic coastal redwood forests, rugged canyons, and scenic hiking trails along the Big Sur coast.
-
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 (50)
| Predicate | Object |
|---|---|
| instanceOf |
California state park
ⓘ
protected area ⓘ state park ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| ecosystemType |
Sierra Nevada foothill ecosystem
ⓘ
riparian ecosystem ⓘ |
| follows |
Yuba River
ⓘ
surface form:
South Yuba River corridor
|
| hasFauna |
black bear
ⓘ
deer ⓘ raptors ⓘ songbirds ⓘ |
| hasFeature |
granite gorges
ⓘ
hiking trails ⓘ historic bridges ⓘ historic mining sites ⓘ picnic areas ⓘ riparian habitat ⓘ river canyons ⓘ swimming holes ⓘ waterfalls ⓘ wildflower displays ⓘ |
| hasFlora |
chaparral vegetation
ⓘ
conifer forests ⓘ oak woodlands ⓘ |
| hasStructure |
Bridgeport Covered Bridge
ⓘ
Independence Trail ⓘ historic ditches ⓘ historic flumes ⓘ historic mining equipment ⓘ |
| knownFor |
gold rush era sites
ⓘ
hiking opportunities ⓘ historic bridges ⓘ historic mining history ⓘ scenic river canyons ⓘ swimming opportunities ⓘ |
| locatedIn | Nevada County, California ⓘ |
| managingAgency | California Department of Parks and Recreation ⓘ |
| near |
Grass Valley, California
ⓘ
Nevada City, California, United States ⓘ
surface form:
Nevada City, California
|
| offersActivity |
birdwatching
ⓘ
gold panning ⓘ hiking ⓘ kayaking ⓘ picnicking ⓘ swimming ⓘ trail running ⓘ wildlife viewing ⓘ |
| partOf |
California Department of Parks and Recreation
ⓘ
surface form:
California State Parks system
|
| river |
Yuba River
ⓘ
surface form:
South Yuba River
|
| state |
California, United States
ⓘ
surface form:
California
|
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: South Yuba River State Park Description of subject: South Yuba River State Park is a California state park known for its scenic river canyons, historic bridges and mining sites, and extensive hiking and swimming opportunities along the South Yuba River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.