North America Wall on El Capitan
E636362
North America Wall on El Capitan is a historic and highly challenging big-wall climbing route in Yosemite National Park, renowned as one of the early testpieces of modern aid climbing.
All labels observed (2)
| Label | Occurrences |
|---|---|
| North America Wall on El Capitan canonical | 1 |
| North America Wall, El Capitan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6997516 — 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 America Wall on El Capitan Context triple: [Royal Robbins, madeFirstAscentOf, North America Wall on El Capitan]
-
A.
Salathé Wall on El Capitan
Salathé Wall on El Capitan is a historic and demanding big-wall rock climbing route in Yosemite National Park, renowned for its sustained difficulty and classic status in traditional climbing.
-
B.
the Nose (El Capitan climbing route)
The Nose is a legendary big-wall climbing route on El Capitan in Yosemite National Park, renowned as one of the most iconic and historically significant rock climbs in the world.
-
C.
Barranco Wall
Barranco Wall is a steep, rocky cliff face on Mount Kilimanjaro that trekkers must scramble up on the popular Machame Route.
-
D.
El Capitan
El Capitan was a streamlined, all-coach luxury passenger train operated by the Atchison, Topeka and Santa Fe Railway between Chicago and Los Angeles in the mid-20th century.
-
E.
El Capitan
El Capitan is a massive vertical granite monolith in California’s Sierra Nevada, famed worldwide as one of the most iconic and challenging big-wall rock climbing destinations.
- 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 America Wall on El Capitan Target entity description: North America Wall on El Capitan is a historic and highly challenging big-wall climbing route in Yosemite National Park, renowned as one of the early testpieces of modern aid climbing.
-
A.
Salathé Wall on El Capitan
Salathé Wall on El Capitan is a historic and demanding big-wall rock climbing route in Yosemite National Park, renowned for its sustained difficulty and classic status in traditional climbing.
-
B.
the Nose (El Capitan climbing route)
The Nose is a legendary big-wall climbing route on El Capitan in Yosemite National Park, renowned as one of the most iconic and historically significant rock climbs in the world.
-
C.
Barranco Wall
Barranco Wall is a steep, rocky cliff face on Mount Kilimanjaro that trekkers must scramble up on the popular Machame Route.
-
D.
El Capitan
El Capitan was a streamlined, all-coach luxury passenger train operated by the Atchison, Topeka and Santa Fe Railway between Chicago and Los Angeles in the mid-20th century.
-
E.
El Capitan
El Capitan is a massive vertical granite monolith in California’s Sierra Nevada, famed worldwide as one of the most iconic and challenging big-wall rock climbing destinations.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
aid climbing route
ⓘ
big wall climbing route ⓘ |
| approach | from Yosemite Valley floor ⓘ |
| bestSeason |
autumn
ⓘ
spring ⓘ |
| cliff | El Capitan NERFINISHED ⓘ |
| commitmentGrade | Grade VI ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| difficulty |
5.8 A3
ⓘ
A3 ⓘ |
| firstAscentBy |
Chuck Pratt
NERFINISHED
ⓘ
Royal Robbins NERFINISHED ⓘ Tom Frost NERFINISHED ⓘ |
| firstAscentStyle | multi-day big wall ascent ⓘ |
| firstAscentYear | 1964 ⓘ |
| hazard |
exposure
ⓘ
objective danger from weather ⓘ rockfall ⓘ |
| historicalSignificance |
early testpiece of modern aid climbing
ⓘ
one of the classic big wall routes on El Capitan ⓘ |
| knownFor |
historical importance in Yosemite big wall climbing
ⓘ
sustained aid climbing difficulty ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
United States of America ⓘ
surface form:
United States
Yosemite National Park ⓘ Yosemite Valley NERFINISHED ⓘ |
| locatedOn | El Capitan NERFINISHED ⓘ |
| mountainRange | Sierra Nevada NERFINISHED ⓘ |
| namedAfter | North America NERFINISHED ⓘ |
| notableFeature | follows a large rock scar resembling the map of North America ⓘ |
| numberOfPitches | 27 ⓘ |
| onFeature | southeast face of El Capitan ⓘ |
| park | Yosemite National Park NERFINISHED ⓘ |
| popularity | considered a classic but less frequently climbed than some other El Capitan routes ⓘ |
| protection |
cams
ⓘ
nuts ⓘ pitons ⓘ |
| region | Yosemite Valley NERFINISHED ⓘ |
| requires | portaledge or natural bivouacs ⓘ |
| requiresSkill |
advanced aid climbing techniques
ⓘ
multi-day big wall logistics ⓘ |
| rockType | granite ⓘ |
| style |
aid climbing
ⓘ
big wall climbing ⓘ |
| typicalAscentTime | several days ⓘ |
| verticalGain |
approximately 3000 feet
ⓘ
approximately 900 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: North America Wall on El Capitan Description of subject: North America Wall on El Capitan is a historic and highly challenging big-wall climbing route in Yosemite National Park, renowned as one of the early testpieces of modern aid climbing.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
North America Wall, El Capitan