Mount Diablo
E49030
Mount Diablo is a prominent peak in the Diablo Range of the eastern San Francisco Bay Area in California, known for its extensive panoramic views and significance as a surveying reference point.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mount Diablo canonical | 22 |
| Mount Diablo summit | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T343579 — 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: Mount Diablo Context triple: [Mount Diablo meridian, initialPoint, Mount Diablo]
-
A.
Lassen Peak
Lassen Peak is a prominent active volcano in Northern California known for its 1914–1921 eruptions and status as one of the southernmost major peaks in the Cascade Range.
-
B.
Mount Shasta
Mount Shasta is a prominent, snow-capped stratovolcano in the Cascade Range renowned for its striking prominence, outdoor recreation, and spiritual significance.
-
C.
Mount Whitney
Mount Whitney is the tallest mountain in the contiguous United States, located in the Sierra Nevada range of eastern California.
-
D.
Half Dome
Half Dome is a famous granite rock formation in California known for its distinctive sheer face and popular but strenuous hiking and climbing routes.
-
E.
Mount Jefferson
Mount Jefferson is a prominent stratovolcano in the Cascade Range of Oregon, known for its rugged summit and extensive glaciation.
- 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: Mount Diablo Target entity description: Mount Diablo is a prominent peak in the Diablo Range of the eastern San Francisco Bay Area in California, known for its extensive panoramic views and significance as a surveying reference point.
-
A.
Lassen Peak
Lassen Peak is a prominent active volcano in Northern California known for its 1914–1921 eruptions and status as one of the southernmost major peaks in the Cascade Range.
-
B.
Mount Shasta
Mount Shasta is a prominent, snow-capped stratovolcano in the Cascade Range renowned for its striking prominence, outdoor recreation, and spiritual significance.
-
C.
Mount Whitney
Mount Whitney is the tallest mountain in the contiguous United States, located in the Sierra Nevada range of eastern California.
-
D.
Half Dome
Half Dome is a famous granite rock formation in California known for its distinctive sheer face and popular but strenuous hiking and climbing routes.
-
E.
Mount Jefferson
Mount Jefferson is a prominent stratovolcano in the Cascade Range of Oregon, known for its rugged summit and extensive glaciation.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
mountain ⓘ peak ⓘ |
| climate | Mediterranean climate ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| elevation |
1173 m
ⓘ
3849 ft ⓘ |
| geologicalProvince |
Coastal Ranges
ⓘ
surface form:
California Coast Ranges
|
| geologicalType | uplifted fault block ⓘ |
| hasCulturalSignificance | sacred mountain to local Native American tribes ⓘ |
| hasListing |
California county high point
ⓘ
San Francisco Bay Area landmark ⓘ |
| hasNotableView |
Farallon Islands
ⓘ
surface form:
Farallon Islands (on clear days)
Sierra Nevada ⓘ
surface form:
Sierra Nevada (on clear days)
|
| hasRecreationActivity |
hiking
ⓘ
mountain biking ⓘ road cycling ⓘ stargazing ⓘ wildlife viewing ⓘ |
| hasRoadAccess | Summit Road ⓘ |
| hasSummitFeature |
observation deck
ⓘ
visitor center ⓘ |
| hasSummitStructure | stone summit building with observation tower ⓘ |
| hasTrail |
Eagle Peak Trail
ⓘ
Mitchell Canyon Trail ⓘ Summit Trail ⓘ |
| hasVegetation |
chaparral
ⓘ
grassland ⓘ oak woodland ⓘ |
| knownFor |
extensive panoramic views
ⓘ
use as a surveying reference point ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Contra Costa County ⓘ
surface form:
Contra Costa County, California
Diablo Range ⓘ United States of America ⓘ
surface form:
United States
eastern San Francisco Bay Area ⓘ |
| managedBy | California Department of Parks and Recreation ⓘ |
| nearestCity |
Concord, California, United States
ⓘ
surface form:
Concord, California
Walnut Creek, California ⓘ |
| partOf | Mount Diablo State Park ⓘ |
| prominence |
3114 ft
ⓘ
949 m ⓘ |
| protectedArea | Mount Diablo State Park ⓘ |
| range | Diablo Range ⓘ |
| topographicIsolation | 42.6 km ⓘ |
| usedAs |
surveying datum point
ⓘ
triangulation station ⓘ |
| USGSTopoMap | Diablo, California ⓘ |
| visibleFrom | much of the San Francisco Bay Area ⓘ |
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: Mount Diablo Description of subject: Mount Diablo is a prominent peak in the Diablo Range of the eastern San Francisco Bay Area in California, known for its extensive panoramic views and significance as a surveying reference point.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Concord, California
this entity surface form:
Mount Diablo summit
subject surface form:
Summit Trail (Mount Diablo)
this entity surface form:
Mount Diablo summit