Grand Couloir
E84095
Grand Couloir is a notorious rockfall-prone gully on Mont Blanc that climbers must traverse on the popular Goûter Route.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Grand Couloir canonical | 4 |
| Grand Couloir du Goûter | 2 |
| Couloir de la Mort | 1 |
| Gouter Couloir | 1 |
| Grand Couloir on Goûter route | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T663068 — 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: Grand Couloir Context triple: [Goûter Route, includesSection, Grand Couloir]
-
A.
Vallée Blanche ski route
The Vallée Blanche ski route is a famous high-altitude off-piste descent in the Mont Blanc massif, renowned for its long glacial terrain and dramatic alpine scenery.
-
B.
Vail Mountain
Vail Mountain is a major ski resort in Colorado’s Rocky Mountains, renowned for its extensive terrain, back bowls, and status as one of the largest and most popular ski destinations in the United States.
-
C.
Forester Pass
Forester Pass is a high mountain pass in the Sierra Nevada of California, renowned as the loftiest point along the Pacific Crest Trail and a challenging milestone for long-distance hikers.
-
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.
Okemo Mountain Resort
Okemo Mountain Resort is a popular ski and snowboard destination in Ludlow, Vermont, known for its family-friendly atmosphere, extensive groomed terrain, and modern lift infrastructure.
- 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: Grand Couloir Target entity description: Grand Couloir is a notorious rockfall-prone gully on Mont Blanc that climbers must traverse on the popular Goûter Route.
-
A.
Vallée Blanche ski route
The Vallée Blanche ski route is a famous high-altitude off-piste descent in the Mont Blanc massif, renowned for its long glacial terrain and dramatic alpine scenery.
-
B.
Vail Mountain
Vail Mountain is a major ski resort in Colorado’s Rocky Mountains, renowned for its extensive terrain, back bowls, and status as one of the largest and most popular ski destinations in the United States.
-
C.
Forester Pass
Forester Pass is a high mountain pass in the Sierra Nevada of California, renowned as the loftiest point along the Pacific Crest Trail and a challenging milestone for long-distance hikers.
-
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.
Okemo Mountain Resort
Okemo Mountain Resort is a popular ski and snowboard destination in Ludlow, Vermont, known for its family-friendly atmosphere, extensive groomed terrain, and modern lift infrastructure.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
mountain gully ⓘ |
| alsoKnownAs |
Couloir de la Mort
ⓘ
linked to:
Grand Couloir
Gouter Couloir ⓘ
linked to:
Grand Couloir
Grand Couloir du Goûter ⓘ
linked to:
Grand Couloir
|
| bestCrossed | early morning ⓘ |
| characteristic |
loose rock
ⓘ
rockfall-prone ⓘ steep terrain ⓘ |
| climbingGradeContext | objective danger more significant than technical difficulty ⓘ |
| connects |
Goûter ridge
ⓘ
Tête Rousse area ⓘ |
| country | France ⓘ |
| crossingRequiredFor |
access to Refuge du Goûter
ⓘ
ascent of Mont Blanc via Goûter Route ⓘ |
| dangerType | natural hazard ⓘ |
| elevationRange | approximately 3300–3400 metres above sea level ⓘ |
| hasSafetyMeasure |
fixed cable for crossing
ⓘ
warning signage ⓘ |
| hazard | rockfall ⓘ |
| importance | key crux of Goûter Route in terms of safety ⓘ |
| locatedIn |
French Alps
ⓘ
Graian Alps ⓘ |
| locatedOn | Mont Blanc ⓘ |
| managedBy | French authorities ⓘ |
| near |
Refuge de Tête Rousse
ⓘ
linked to:
Tête Rousse Hut
Refuge du Goûter ⓘ |
| notableFor |
frequent rockfall incidents
ⓘ
mountaineering accidents ⓘ |
| onRoute |
Goûter normal route of Mont Blanc
ⓘ
linked to:
Voie Royale (Royal Route) to Mont Blanc
normal route to Mont Blanc from Saint-Gervais ⓘ |
| partOf |
Goûter Route
ⓘ
standard itinerary from Nid d’Aigle to Mont Blanc summit ⓘ |
| reasonForTiming | reduced rockfall when temperatures are lower ⓘ |
| requires |
careful timing
ⓘ
helmet ⓘ rapid crossing ⓘ |
| riskLevel | high objective danger ⓘ |
| slopeAspect | generally west-facing ⓘ |
| subjectOf |
accident statistics on Mont Blanc
ⓘ
mountaineering safety advisories ⓘ |
| terrainType | mixed rock and scree ⓘ |
| usedBy | climbers ⓘ |
| usedFor | mountaineering ⓘ |
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: Grand Couloir Description of subject: Grand Couloir is a notorious rockfall-prone gully on Mont Blanc that climbers must traverse on the popular Goûter Route.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Grand Couloir
linked to: Grand Couloir
linked to: Grand Couloir
linked to: Grand Couloir
linked to: Grand Couloir