Donner Pass
E1422
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.
All labels observed (10)
| Label | Occurrences |
|---|---|
| Donner Pass canonical | 12 |
| Donner Party | 1 |
| Donner Party tragedy | 1 |
| Donner Party winter encampment of 1846–1847 | 1 |
| Donner Pass highway crossing | 1 |
| Donner Pass operations | 1 |
| Donner Pass route | 1 |
| Donner Pass vicinity (western approaches) | 1 |
| Donner Summit | 1 |
| Historic Donner Pass | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12048 — 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: Donner Pass Context triple: [Sierra Nevada, crossedBy, Donner Pass]
-
A.
South Lake Tahoe
South Lake Tahoe is a resort city in California known for its access to Lake Tahoe’s beaches, ski resorts, and outdoor recreation.
-
B.
Mount Whitney
Mount Whitney is the tallest mountain in the contiguous United States, located in the Sierra Nevada range of eastern California.
-
C.
Lake Tahoe
Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
-
D.
Heavenly Mountain Resort
Heavenly Mountain Resort is a major ski and snowboard destination in the Sierra Nevada known for its expansive terrain, vibrant après-ski scene, and panoramic views of Lake Tahoe.
-
E.
Memorial Bridge
Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in Washington, D.C.
- 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: Donner Pass Target entity description: 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.
-
A.
South Lake Tahoe
South Lake Tahoe is a resort city in California known for its access to Lake Tahoe’s beaches, ski resorts, and outdoor recreation.
-
B.
Mount Whitney
Mount Whitney is the tallest mountain in the contiguous United States, located in the Sierra Nevada range of eastern California.
-
C.
Lake Tahoe
Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
-
D.
Heavenly Mountain Resort
Heavenly Mountain Resort is a major ski and snowboard destination in the Sierra Nevada known for its expansive terrain, vibrant après-ski scene, and panoramic views of Lake Tahoe.
-
E.
Memorial Bridge
Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in Washington, D.C.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | mountain pass ⓘ |
| administrativeRegion | Nevada County, California ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| distanceFrom | about 9 miles west of Truckee ⓘ |
| elevation |
approximately 2,151 meters
ⓘ
approximately 7,056 feet ⓘ |
| feature |
granite cliffs
ⓘ
rocky terrain ⓘ steep grades ⓘ |
| hasClimate | snowy alpine climate ⓘ |
| hasNearbySkiArea |
Boreal Mountain California
ⓘ
Sugar Bowl Resort ⓘ |
| hasViewOf |
Donner Lake
ⓘ
Sierra Nevada ⓘ
surface form:
Sierra Nevada peaks
|
| historicalEvent |
Donner Pass
self-linksurface differs
ⓘ
surface form:
Donner Party winter encampment of 1846–1847
|
| isOnRoute |
Lincoln Highway (historic alignment via U.S. 40)
ⓘ
historic California Trail vicinity ⓘ |
| knownFor |
Donner Pass
self-linksurface differs
ⓘ
surface form:
Donner Party tragedy
challenging winter weather ⓘ heavy snowfall ⓘ historic overland emigrant route ⓘ transcontinental railroad route ⓘ |
| locatedEastOf |
Central Valley
ⓘ
surface form:
Sacramento Valley
|
| locatedIn |
California, United States
ⓘ
surface form:
California
Nevada County, California ⓘ Sierra Nevada ⓘ |
| locatedNear |
Donner Lake
ⓘ
Truckee ⓘ
surface form:
Truckee, California
|
| locatedWestOf |
Truckee
ⓘ
surface form:
Truckee, California
|
| mountainRange | Sierra Nevada ⓘ |
| namedAfter |
Donner Pass
self-linksurface differs
ⓘ
surface form:
Donner Party
|
| partOf | Sierra Nevada transportation corridor ⓘ |
| railroadEngineeringFeature |
snow sheds
ⓘ
tunnels ⓘ |
| snowfallRecord | among highest in contiguous United States ⓘ |
| timeZone | Pacific Time Zone ⓘ |
| transportationImportance | major east–west route across northern Sierra Nevada ⓘ |
| traversedBy |
Central Pacific Railroad historic route
ⓘ
Interstate 80 ⓘ Old U.S. Route 40 ⓘ Union Pacific Railroad ⓘ |
| usedFor |
hiking
ⓘ
rail transportation ⓘ recreation ⓘ road transportation ⓘ rock climbing ⓘ ski touring ⓘ |
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: Donner Pass Description of subject: 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.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Donner Party
this entity surface form:
Donner Party tragedy
this entity surface form:
Donner Party winter encampment of 1846–1847
this entity surface form:
Donner Pass highway crossing
this entity surface form:
Donner Pass vicinity (western approaches)
this entity surface form:
Donner Summit
this entity surface form:
Donner Pass route
this entity surface form:
Donner Pass operations
this entity surface form:
Historic Donner Pass