North face of Les Drus
E424366
The North Face of Les Drus is a legendary, steep alpine wall in the Mont Blanc massif renowned for its challenging mixed and rock climbing routes and historic ascents.
All labels observed (1)
| Label | Occurrences |
|---|---|
| North face of Les Drus canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4254489 — 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: North face of Les Drus Context triple: [Aiguilles de Chamonix, notableRouteArea, North face of Les Drus]
-
A.
East Face of Monte Rosa
The East Face of Monte Rosa is a towering, glaciated mountain wall in the Pennine Alps, renowned for its dramatic vertical relief and challenging alpine climbing routes.
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B.
Aiguille de Bionnassay north face
The Aiguille de Bionnassay north face is a steep, glaciated alpine wall in the Mont Blanc massif, renowned among mountaineers for its challenging ice and mixed climbing routes.
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C.
Grandes Jorasses north face
The Grandes Jorasses north face is a legendary, extremely steep alpine wall in the Mont Blanc massif, renowned as one of the most challenging and iconic north faces in the Alps.
-
D.
Belleayre Mountain
Belleayre Mountain is a ski resort and recreational area in New York’s Catskill Mountains, known for its alpine skiing, snowboarding, and year-round outdoor activities.
-
E.
Glacier de la Tournette
Glacier de la Tournette is a mountain glacier within the Mont Blanc massif in the Alps, contributing to the region’s extensive high-altitude ice system.
- 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: North face of Les Drus Target entity description: The North Face of Les Drus is a legendary, steep alpine wall in the Mont Blanc massif renowned for its challenging mixed and rock climbing routes and historic ascents.
-
A.
East Face of Monte Rosa
The East Face of Monte Rosa is a towering, glaciated mountain wall in the Pennine Alps, renowned for its dramatic vertical relief and challenging alpine climbing routes.
-
B.
Aiguille de Bionnassay north face
The Aiguille de Bionnassay north face is a steep, glaciated alpine wall in the Mont Blanc massif, renowned among mountaineers for its challenging ice and mixed climbing routes.
-
C.
Grandes Jorasses north face
The Grandes Jorasses north face is a legendary, extremely steep alpine wall in the Mont Blanc massif, renowned as one of the most challenging and iconic north faces in the Alps.
-
D.
Belleayre Mountain
Belleayre Mountain is a ski resort and recreational area in New York’s Catskill Mountains, known for its alpine skiing, snowboarding, and year-round outdoor activities.
-
E.
Glacier de la Tournette
Glacier de la Tournette is a mountain glacier within the Mont Blanc massif in the Alps, contributing to the region’s extensive high-altitude ice system.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
alpine climbing wall
ⓘ
mountain face ⓘ |
| approachFrom |
Mont-Blanc region
ⓘ
surface form:
Montenvers area
Chamonix ⓘ
surface form:
Vallée de Chamonix
|
| climbingSeason |
summer
ⓘ
winter ⓘ |
| climbingType |
alpine climbing
ⓘ
big wall climbing ⓘ |
| country | France ⓘ |
| difficulty | very high ⓘ |
| elevationAboveSeaLevel | over 3700 metres ⓘ |
| famousAmong |
alpinists
ⓘ
extreme climbers ⓘ |
| firstAscentBy |
Pierre Allain
NERFINISHED
ⓘ
Raymond Leininger ⓘ |
| firstAscentYear | 1935 ⓘ |
| hasFeature |
cold, shaded conditions
ⓘ
long, sustained pitches ⓘ mixed rock and ice terrain ⓘ |
| hasReputation | one of the classic north faces of the Alps ⓘ |
| hazard |
avalanches
ⓘ
icefall ⓘ rockfall ⓘ |
| inMountainRange | Alps ⓘ |
| knownFor |
high difficulty
ⓘ
historic ascents ⓘ mixed climbing ⓘ rock climbing ⓘ steepness ⓘ |
| locatedIn |
France
ⓘ
French Alps NERFINISHED ⓘ Haute-Savoie ⓘ Les Drus ⓘ Mont Blanc massif ⓘ |
| near | Chamonix ⓘ |
| notableRoute |
Allain–Leininger route
ⓘ
Direct North Face ⓘ North Couloir ⓘ Pierre Allain route ⓘ |
| orientation | north ⓘ |
| partOf |
Aiguille du Dru
ⓘ
Grand Dru ⓘ |
| region |
Auvergne-Rhône-Alpes region
ⓘ
surface form:
Auvergne-Rhône-Alpes
|
| requires |
advanced alpine experience
ⓘ
ice climbing skills ⓘ rock climbing skills ⓘ technical mixed climbing skills ⓘ |
| rockType | granite ⓘ |
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: North face of Les Drus Description of subject: The North Face of Les Drus is a legendary, steep alpine wall in the Mont Blanc massif renowned for its challenging mixed and rock climbing routes and historic ascents.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.