Sonora Pass
E8088
Sonora Pass is a high mountain pass in California’s Sierra Nevada, known for its steep, scenic Highway 108 route and seasonal closure due to heavy snowfall.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Sonora Pass canonical | 12 |
| Sonora Pass (informally associated) | 1 |
| Sonora Pass area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12052 — 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: Sonora Pass Context triple: [Sierra Nevada, crossedBy, Sonora Pass]
-
A.
Carson Pass
Carson Pass is a high mountain pass in California’s central Sierra Nevada, known for its scenic alpine landscapes, hiking trails, and historic role as a route for emigrant wagon trains.
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B.
Ebbetts Pass
Ebbetts Pass is a high mountain pass in California’s Sierra Nevada, known for its scenic, winding route and historic role as a trans-Sierra crossing.
-
C.
Donner Pass
Donner Pass is a historically significant mountain pass in California’s Sierra Nevada, known for its challenging terrain, transcontinental railroad route, and the ill-fated Donner Party.
-
D.
Tioga Pass
Tioga Pass is a high mountain pass in California’s Sierra Nevada, best known as the eastern entrance to Yosemite National Park and one of the highest paved roads in the state.
-
E.
Paso de San Francisco
Paso de San Francisco is a high-altitude Andean mountain pass on the Argentina–Chile border, known as a key access route to the Ojos del Salado volcano and surrounding desert landscapes.
- 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: Sonora Pass Target entity description: Sonora Pass is a high mountain pass in California’s Sierra Nevada, known for its steep, scenic Highway 108 route and seasonal closure due to heavy snowfall.
-
A.
Carson Pass
Carson Pass is a high mountain pass in California’s central Sierra Nevada, known for its scenic alpine landscapes, hiking trails, and historic role as a route for emigrant wagon trains.
-
B.
Ebbetts Pass
Ebbetts Pass is a high mountain pass in California’s Sierra Nevada, known for its scenic, winding route and historic role as a trans-Sierra crossing.
-
C.
Donner Pass
Donner Pass is a historically significant mountain pass in California’s Sierra Nevada, known for its challenging terrain, transcontinental railroad route, and the ill-fated Donner Party.
-
D.
Tioga Pass
Tioga Pass is a high mountain pass in California’s Sierra Nevada, best known as the eastern entrance to Yosemite National Park and one of the highest paved roads in the state.
-
E.
Paso de San Francisco
Paso de San Francisco is a high-altitude Andean mountain pass on the Argentina–Chile border, known as a key access route to the Ojos del Salado volcano and surrounding desert landscapes.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
mountain pass
ⓘ
transportation route ⓘ |
| alsoKnownAs | Highway 108 ⓘ |
| climate | alpine ⓘ |
| closureReason |
avalanche danger
ⓘ
heavy snowfall ⓘ |
| connects |
Central Valley
ⓘ
surface form:
Central Valley region of California
Eastern Sierra ⓘ
surface form:
Eastern Sierra region of California
Stanislaus National Forest ⓘ Toiyabe National Forest ⓘ |
| county |
Mono County
ⓘ
Tuolumne County ⓘ |
| distanceFrom |
east of Sonora, California
ⓘ
west of Bridgeport, California ⓘ |
| hasElevation |
approximately 2933 meters
ⓘ
approximately 9624 feet ⓘ |
| hasFeature |
numerous hairpin turns
ⓘ
rapid elevation changes ⓘ |
| hasRoadGrade | up to about 26 percent on some sections ⓘ |
| hazard |
snow and ice
ⓘ
steep drop-offs along roadway ⓘ |
| historicalUse | emigrant route across the Sierra Nevada ⓘ |
| isKnownFor |
scenic mountain views
ⓘ
steep highway grades ⓘ tight curves and switchbacks ⓘ |
| isOneOf |
highest highway passes in the Sierra Nevada
ⓘ
highest paved mountain passes in California ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Sierra Nevada ⓘ United States of America ⓘ
surface form:
United States
|
| maintainedBy |
Caltrans
ⓘ
surface form:
California Department of Transportation
|
| namedAfter | town of Sonora, California ⓘ |
| nearbyTrail |
Emigrant Wilderness access routes
ⓘ
Pacific Crest Trail ⓘ |
| nearbyWatercourse |
Stanislaus National Forest
ⓘ
surface form:
Stanislaus River headwaters region
Walker River watershed vicinity ⓘ |
| openedToAutomobiles | early 20th century ⓘ |
| recreation |
backpacking
ⓘ
hiking ⓘ photography ⓘ scenic driving ⓘ |
| region | central Sierra Nevada ⓘ |
| roadType | two-lane mountain highway ⓘ |
| seasonalStatus |
typically closed in winter due to heavy snowfall
ⓘ
typically open only in late spring through fall ⓘ |
| surface | paved ⓘ |
| tourism | popular scenic drive in summer ⓘ |
| traversedBy | California State Route 108 ⓘ |
| vehicleRestriction | not recommended for large RVs and long trailers ⓘ |
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: Sonora Pass Description of subject: Sonora Pass is a high mountain pass in California’s Sierra Nevada, known for its steep, scenic Highway 108 route and seasonal closure due to heavy snowfall.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sonora Pass (informally associated)
subject surface form:
California State Route 108
subject surface form:
California State Route 108
this entity surface form:
Sonora Pass area