South Face of Annapurna
E308649
The South Face of Annapurna is a notoriously steep and dangerous Himalayan wall, famed as one of high-altitude mountaineering’s most formidable and historic big-wall challenges.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Annapurna South Face | 4 |
| South Face of Annapurna canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2891303 — 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: South Face of Annapurna Context triple: [Chris Bonington, notableAscent, South Face of Annapurna]
-
A.
North Ridge of K2
The North Ridge of K2 is a major, technically demanding climbing route on the world’s second-highest mountain, rising from the Chinese side and known for its extreme altitude, exposure, and objective hazards.
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B.
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.
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C.
Watzmann East Face
Watzmann East Face is a towering, notoriously steep rock wall in the Bavarian Alps, famed as one of the highest and most challenging alpine faces in Germany.
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D.
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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E.
Broad Peak
Broad Peak is one of the world’s highest mountains, an 8,000-meter-class peak in the Karakoram range on the border of Pakistan and China, renowned for its broad, extended summit ridge.
- 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: South Face of Annapurna Target entity description: The South Face of Annapurna is a notoriously steep and dangerous Himalayan wall, famed as one of high-altitude mountaineering’s most formidable and historic big-wall challenges.
-
A.
North Ridge of K2
The North Ridge of K2 is a major, technically demanding climbing route on the world’s second-highest mountain, rising from the Chinese side and known for its extreme altitude, exposure, and objective hazards.
-
B.
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.
-
C.
Watzmann East Face
Watzmann East Face is a towering, notoriously steep rock wall in the Bavarian Alps, famed as one of the highest and most challenging alpine faces in Germany.
-
D.
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.
-
E.
Broad Peak
Broad Peak is one of the world’s highest mountains, an 8,000-meter-class peak in the Karakoram range on the border of Pakistan and China, renowned for its broad, extended summit ridge.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
big wall climbing route
ⓘ
mountain face ⓘ |
| activity |
expedition climbing
ⓘ
high-altitude mountaineering ⓘ |
| climbingSeason |
post-monsoon
ⓘ
pre-monsoon ⓘ |
| climbingStyle | siege-style expedition climbing on first ascent ⓘ |
| country | Nepal ⓘ |
| difficulty | very high technical difficulty ⓘ |
| elevation | about 8091 metres at summit ⓘ |
| feature |
complex glaciated terrain
ⓘ
huge rock and ice buttresses ⓘ long, committing routes ⓘ |
| firstAscentBy |
Sir Chris Bonington
ⓘ
surface form:
Chris Bonington
Don Whillans ⓘ Dougal Haston ⓘ Ian Clough ⓘ Martin Boysen ⓘ Mick Burke ⓘ Nick Estcourt ⓘ |
| firstAscentExpedition | 1970 British Annapurna South Face Expedition ⓘ |
| firstAscentYear | 1970 ⓘ |
| firstSummiters |
Don Whillans
ⓘ
Dougal Haston ⓘ |
| hazard |
avalanches
ⓘ
extreme cold ⓘ high altitude ⓘ rockfall ⓘ serac fall ⓘ severe storms ⓘ |
| knownAs |
one of the most dangerous big walls in high-altitude mountaineering
ⓘ
one of the most difficult Himalayan faces ⓘ |
| locatedIn |
Annapurna
ⓘ
surface form:
Annapurna Massif
Gandaki Province ⓘ Himalayas ⓘ Nepal ⓘ |
| mountainRange | Himalayas ⓘ |
| notableFor |
extreme steepness
ⓘ
high objective danger ⓘ high-altitude big-wall climbing ⓘ technical mixed and ice climbing ⓘ |
| onContinent | Asia ⓘ |
| parentPeak |
Annapurna
ⓘ
surface form:
Annapurna I
|
| partOf |
Annapurna
ⓘ
surface form:
Annapurna I
|
| reputation |
benchmark objective for elite alpinists
ⓘ
historic milestone in Himalayan mountaineering ⓘ |
| subsequentStyle | alpine-style ascents ⓘ |
| verticalRelief | approximately 3000 metres ⓘ |
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: South Face of Annapurna Description of subject: The South Face of Annapurna is a notoriously steep and dangerous Himalayan wall, famed as one of high-altitude mountaineering’s most formidable and historic big-wall challenges.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Chris Bonington
subject surface form:
Chris Bonington
this entity surface form:
Annapurna South Face
this entity surface form:
Annapurna South Face
this entity surface form:
Annapurna South Face
this entity surface form:
Annapurna South Face