Rocky Mountain Trench
E116262
The Rocky Mountain Trench is a long, broad valley running parallel to the Canadian Rockies in British Columbia, forming a major geological feature that separates the Rockies from the Columbia Mountains.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Rocky Mountain Trench canonical | 6 |
| Rocky Mountains Trench (to the east, via adjoining uplands) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T988056 — 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: Rocky Mountain Trench Context triple: [Columbia Mountains, separatedBy, Rocky Mountain Trench]
-
A.
Continental Divide
The Continental Divide is the principal hydrological divide of the Americas, separating waters that flow to the Pacific Ocean from those that flow to the Atlantic and Arctic Oceans.
-
B.
Great Western Divide
The Great Western Divide is a prominent subrange of California’s Sierra Nevada, known for its rugged peaks and dramatic alpine scenery.
-
C.
Wet Mountain Valley
Wet Mountain Valley is a high-altitude agricultural and ranching valley in south-central Colorado, known for its scenic mountain views and rural communities such as Westcliffe and Silver Cliff.
-
D.
Diablo Range
Diablo Range is a long, rugged mountain range in central California known for its chaparral-covered hills, diverse wildlife, and role as a natural barrier between the San Francisco Bay Area and the Central Valley.
-
E.
Carson Range
The Carson Range is a mountain range in the Sierra Nevada region of western Nevada known for its high peaks, alpine scenery, and proximity to Lake Tahoe.
- 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: Rocky Mountain Trench Target entity description: The Rocky Mountain Trench is a long, broad valley running parallel to the Canadian Rockies in British Columbia, forming a major geological feature that separates the Rockies from the Columbia Mountains.
-
A.
Continental Divide
The Continental Divide is the principal hydrological divide of the Americas, separating waters that flow to the Pacific Ocean from those that flow to the Atlantic and Arctic Oceans.
-
B.
Great Western Divide
The Great Western Divide is a prominent subrange of California’s Sierra Nevada, known for its rugged peaks and dramatic alpine scenery.
-
C.
Wet Mountain Valley
Wet Mountain Valley is a high-altitude agricultural and ranching valley in south-central Colorado, known for its scenic mountain views and rural communities such as Westcliffe and Silver Cliff.
-
D.
Diablo Range
Diablo Range is a long, rugged mountain range in central California known for its chaparral-covered hills, diverse wildlife, and role as a natural barrier between the San Francisco Bay Area and the Central Valley.
-
E.
Carson Range
The Carson Range is a mountain range in the Sierra Nevada region of western Nevada known for its high peaks, alpine scenery, and proximity to Lake Tahoe.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
tectonic depression ⓘ valley ⓘ |
| boundedBy |
Rocky Mountains
ⓘ
surface form:
Canadian Rockies
Columbia Mountains ⓘ Rocky Mountain fault system ⓘ |
| contains |
Columbia River
ⓘ
Finlay River ⓘ Fraser River ⓘ
surface form:
Fraser River headwaters
Kinbasket Lake ⓘ Kootenay River ⓘ Lake Windermere ⓘ McGregor River ⓘ McLeod Lake ⓘ Moberly Lake ⓘ Parsnip River ⓘ Peace River ⓘ
surface form:
Peace River headwaters
Revelstoke Lake ⓘ Rocky Mountain Trench lakes ⓘ Summit Lake ⓘ Williston Lake ⓘ |
| country | Canada ⓘ |
| ecoregion | interior wet-belt forests ⓘ |
| extendsFrom | near Flathead Lake in Montana ⓘ |
| extendsTo |
Liard River
ⓘ
surface form:
Liard River area in Yukon
|
| follows |
Rocky Mountain region
ⓘ
surface form:
Rocky Mountain front
|
| formedDuring |
Cenozoic
ⓘ
surface form:
Cenozoic era
|
| geologicalOrigin |
extensional faulting
ⓘ
normal faulting ⓘ |
| length |
about 1000 miles
ⓘ
about 1600 kilometres ⓘ |
| locatedIn |
British Columbia
ⓘ
Yukon ⓘ |
| notableFor |
broad, flat valley floor
ⓘ
major physiographic boundary in western Canada ⓘ parallel alignment to Canadian Rockies ⓘ |
| orientation | north–south ⓘ |
| partOf | North American Cordillera ⓘ |
| passesNear |
Cranbrook, British Columbia, Canada
ⓘ
surface form:
Cranbrook, British Columbia
Fort St. John ⓘ
surface form:
Fort St. John, British Columbia
Golden, British Columbia ⓘ Invermere ⓘ
surface form:
Invermere, British Columbia
Prince George, British Columbia, Canada ⓘ
surface form:
Prince George, British Columbia
Revelstoke, British Columbia ⓘ Valemount, British Columbia ⓘ |
| province | British Columbia ⓘ |
| separates |
Rocky Mountains
ⓘ
surface form:
Canadian Rockies
Columbia Mountains ⓘ |
| territory | Yukon ⓘ |
| usedFor |
agriculture
ⓘ
forestry ⓘ hydroelectric reservoirs ⓘ transportation corridor ⓘ |
| width | 3 to 16 kilometres ⓘ |
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: Rocky Mountain Trench Description of subject: The Rocky Mountain Trench is a long, broad valley running parallel to the Canadian Rockies in British Columbia, forming a major geological feature that separates the Rockies from the Columbia Mountains.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rocky Mountains Trench (to the east, via adjoining uplands)