Las Trampas Regional Wilderness
E128037
Las Trampas Regional Wilderness is a rugged East Bay regional park in California known for its steep trails, scenic ridgelines, and expansive open space for hiking and horseback riding.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Las Trampas Regional Wilderness canonical | 4 |
| Las Trampas Regional Wilderness (via trail connections) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T797836 — 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: Las Trampas Regional Wilderness Context triple: [Contra Costa County, hasRegionalPark, Las Trampas Regional Wilderness]
-
A.
Ventana Wilderness
Ventana Wilderness is a rugged, largely roadless protected area of forests, canyons, and peaks in California’s central coast mountains, popular for backcountry hiking and wildlife habitat.
-
B.
Bull of the Woods Wilderness
Bull of the Woods Wilderness is a protected mountainous backcountry area in Oregon known for its dense forests, rugged trails, and scenic lakes and ridgelines.
-
C.
Ha-De-Ron-Dah Wilderness Area
Ha-De-Ron-Dah Wilderness Area is a remote, forested wilderness preserve in New York’s Adirondack Park known for its rugged terrain, wetlands, and backcountry recreation opportunities.
-
D.
Badger Creek Wilderness
Badger Creek Wilderness is a protected mountainous and forested area in north-central Oregon known for its rugged trails, diverse ecosystems, and scenic creek and canyon landscapes.
-
E.
Three Sisters Wilderness
Three Sisters Wilderness is a protected alpine area in Oregon’s Cascade Range known for its volcanic peaks, extensive hiking trails, and pristine lakes and forests.
- 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: Las Trampas Regional Wilderness Target entity description: Las Trampas Regional Wilderness is a rugged East Bay regional park in California known for its steep trails, scenic ridgelines, and expansive open space for hiking and horseback riding.
-
A.
Ventana Wilderness
Ventana Wilderness is a rugged, largely roadless protected area of forests, canyons, and peaks in California’s central coast mountains, popular for backcountry hiking and wildlife habitat.
-
B.
Bull of the Woods Wilderness
Bull of the Woods Wilderness is a protected mountainous backcountry area in Oregon known for its dense forests, rugged trails, and scenic lakes and ridgelines.
-
C.
Ha-De-Ron-Dah Wilderness Area
Ha-De-Ron-Dah Wilderness Area is a remote, forested wilderness preserve in New York’s Adirondack Park known for its rugged terrain, wetlands, and backcountry recreation opportunities.
-
D.
Badger Creek Wilderness
Badger Creek Wilderness is a protected mountainous and forested area in north-central Oregon known for its rugged trails, diverse ecosystems, and scenic creek and canyon landscapes.
-
E.
Three Sisters Wilderness
Three Sisters Wilderness is a protected alpine area in Oregon’s Cascade Range known for its volcanic peaks, extensive hiking trails, and pristine lakes and forests.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
protected area
ⓘ
regional park ⓘ wilderness area ⓘ |
| access | day-use ⓘ |
| category |
East Bay Regional Park District
ⓘ
Parks in Contra Costa County, California ⓘ Protected areas of the San Francisco Bay Area ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Contra Costa County ⓘ |
| hasActivity |
hiking
ⓘ
horseback riding ⓘ trail running ⓘ |
| hasFeature |
equestrian trails
ⓘ
grasslands ⓘ multi-use trails ⓘ oak woodlands ⓘ ridgelines ⓘ steep canyons ⓘ |
| knownFor |
expansive open space
ⓘ
hiking ⓘ horseback riding ⓘ rugged terrain ⓘ scenic ridgelines ⓘ steep trails ⓘ |
| locatedIn |
East Bay
ⓘ
San Francisco Bay Area ⓘ |
| operator | East Bay Regional Park District ⓘ |
| partOf |
East Bay Regional Park District system
ⓘ
linked to:
East Bay Regional Park District
|
| primaryUse | recreation ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| terrain | rugged ⓘ |
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: Las Trampas Regional Wilderness Description of subject: Las Trampas Regional Wilderness is a rugged East Bay regional park in California known for its steep trails, scenic ridgelines, and expansive open space for hiking and horseback riding.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
Anthony Chabot Regional Park
→
adjacentTo
→
Las Trampas Regional Wilderness (via trail connections)
ⓘ
linked to: Las Trampas Regional Wilderness