Mount Stephen
E505848
Mount Stephen is a prominent peak in the Canadian Rockies of British Columbia, noted for its striking elevation and rich fossil beds.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mount Stephen canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5153969 — 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 Stephen Context triple: [Yoho National Park, hasMountain, Mount Stephen]
-
A.
Mount Vancouver
Mount Vancouver is a prominent, heavily glaciated peak in the Saint Elias Mountains on the Alaska–Yukon border, known as one of the highest mountains in North America.
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B.
Mount Waddington
Mount Waddington is a prominent, heavily glaciated peak in southwestern British Columbia, Canada, renowned among climbers for its rugged terrain and challenging weather conditions.
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C.
Mount Fairweather
Mount Fairweather is a prominent, heavily glaciated peak on the Alaska–British Columbia border, known as one of the highest and most striking mountains on the Pacific coast of North America.
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D.
Mount Lyell
Mount Lyell is a prominent, glacier-clad peak in the Sierra Nevada of California, renowned as the tallest mountain in Yosemite National Park and a popular destination for experienced climbers.
-
E.
Cheakamus Mountain
Cheakamus Mountain is a prominent peak in British Columbia’s Coast Mountains, located near Whistler and known for its rugged alpine terrain and scenic views.
- 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 Stephen Target entity description: Mount Stephen is a prominent peak in the Canadian Rockies of British Columbia, noted for its striking elevation and rich fossil beds.
-
A.
Mount Vancouver
Mount Vancouver is a prominent, heavily glaciated peak in the Saint Elias Mountains on the Alaska–Yukon border, known as one of the highest mountains in North America.
-
B.
Mount Waddington
Mount Waddington is a prominent, heavily glaciated peak in southwestern British Columbia, Canada, renowned among climbers for its rugged terrain and challenging weather conditions.
-
C.
Mount Fairweather
Mount Fairweather is a prominent, heavily glaciated peak on the Alaska–British Columbia border, known as one of the highest and most striking mountains on the Pacific coast of North America.
-
D.
Mount Lyell
Mount Lyell is a prominent, glacier-clad peak in the Sierra Nevada of California, renowned as the tallest mountain in Yosemite National Park and a popular destination for experienced climbers.
-
E.
Cheakamus Mountain
Cheakamus Mountain is a prominent peak in British Columbia’s Coast Mountains, located near Whistler and known for its rugged alpine terrain and scenic views.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | mountain ⓘ |
| climate | subarctic climate ⓘ |
| country | Canada ⓘ |
| elevation | 3199 m ⓘ |
| firstAscent | 1887 ⓘ |
| firstAscentBy |
H. S. Hall
NERFINISHED
ⓘ
James J. McArthur NERFINISHED ⓘ L. Wilson NERFINISHED ⓘ Tom Wilson NERFINISHED ⓘ |
| fossilPeriod | Middle Cambrian NERFINISHED ⓘ |
| hasBiodiversitySignificance | important site for early marine life fossils ⓘ |
| hasClimbingRoute | scramble and technical routes ⓘ |
| hasGeologicalUnit | Stephen Formation NERFINISHED ⓘ |
| hasGlacialFeatures |
cirques
ⓘ
glacially carved valleys ⓘ |
| hasHikingAccess | trail from Field area ⓘ |
| hasListing |
Mountains of British Columbia
NERFINISHED
ⓘ
Three-thousanders of British Columbia NERFINISHED ⓘ |
| hasNotableFeature |
Burgess Shale–type fossil locality
ⓘ
Stephen Formation fossil beds NERFINISHED ⓘ |
| hasUNESCOWorldHeritageStatus | part of Canadian Rocky Mountain Parks World Heritage Site ⓘ |
| isTouristAttraction | true ⓘ |
| isVisibleFrom | Trans-Canada Highway near Field NERFINISHED ⓘ |
| knownFor |
rich Cambrian fossil beds
ⓘ
trilobite fossils ⓘ |
| locatedIn |
British Columbia
ⓘ
Kootenay Land District NERFINISHED ⓘ Yoho National Park NERFINISHED ⓘ |
| locatedInMountainRange | Canadian Rockies NERFINISHED ⓘ |
| mountainType | sedimentary rock mountain ⓘ |
| namedAfter |
George Stephen
NERFINISHED
ⓘ
George Stephen, 1st Baron Mount Stephen NERFINISHED ⓘ |
| nearestTown | Field, British Columbia NERFINISHED ⓘ |
| overlooks |
Kicking Horse River
NERFINISHED
ⓘ
Trans-Canada Highway NERFINISHED ⓘ |
| parentPeak | Mount Temple (by prominence hierarchy context in Rockies) NERFINISHED ⓘ |
| partOf | Rocky Mountains NERFINISHED ⓘ |
| photoCaption | Mount Stephen seen from Field, British Columbia ⓘ |
| prominence | 1599 m ⓘ |
| protectedBy | Parks Canada NERFINISHED ⓘ |
| provinceOrState | British Columbia NERFINISHED ⓘ |
| region | Columbia Mountains and Rockies region NERFINISHED ⓘ |
| rockAge | Cambrian ⓘ |
| topographicMap | NTS 82N/08 NERFINISHED ⓘ |
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 Stephen Description of subject: Mount Stephen is a prominent peak in the Canadian Rockies of British Columbia, noted for its striking elevation and rich fossil beds.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Yoho National Park (partly considered within Columbia and Rocky transition)
→
hasMountain
→
Mount Stephen
ⓘ
subject surface form:
Yoho National Park